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Summary: Nested Classes | Constants | Methods | Inherited Methods

# CarrierConfigManager

`public class CarrierConfigManager`
`extends Object` ``

java.lang.Object
↳ | android.telephony.CarrierConfigManager

Provides access to telephony configuration values that are carrier-specific.

## Summary

### Nested classes
`class` | `CarrierConfigManager.Apn` Configs used for APN setup.
`class` | `CarrierConfigManager.Gps` GPS configs.
`class` | `CarrierConfigManager.Ims` Configs used by the IMS stack.

### Constants
`String` | `ACTION_CARRIER_CONFIG_CHANGED` This intent is broadcast by the system when carrier config changes.
`int` | `DATA_CYCLE_THRESHOLD_DISABLED` Flag indicating that a data cycle threshold should be disabled.
`int` | `DATA_CYCLE_USE_PLATFORM_DEFAULT` When `KEY_MONTHLY_DATA_CYCLE_DAY_INT`, `KEY_DATA_LIMIT_THRESHOLD_BYTES_LONG`, or `KEY_DATA_WARNING_THRESHOLD_BYTES_LONG` are set to this value, the platform default value will be used for that key.
`String` | `ENABLE_EAP_METHOD_PREFIX_BOOL` Specifies whether the system should prefix the EAP method to the anonymous identity.
`String` | `EXTRA_SLOT_INDEX` Extra included in `ACTION_CARRIER_CONFIG_CHANGED` to indicate the slot index that the broadcast is for.
`String` | `EXTRA_SUBSCRIPTION_INDEX` Optional extra included in `ACTION_CARRIER_CONFIG_CHANGED` to indicate the subscription index that the broadcast is for, if a valid one is available.
`String` | `IMSI_KEY_AVAILABILITY_INT` Identifies if the key is available for WLAN or EPDG or both.
`String` | `KEY_5G_NR_SSRSRP_THRESHOLDS_INT_ARRAY` List of 4 customized 5G SS reference signal received power (SSRSRP) thresholds.
`String` | `KEY_5G_NR_SSRSRQ_THRESHOLDS_INT_ARRAY` List of 4 customized 5G SS reference signal received quality (SSRSRQ) thresholds.
`String` | `KEY_5G_NR_SSSINR_THRESHOLDS_INT_ARRAY` List of 4 customized 5G SS signal-to-noise and interference ratio (SSSINR) thresholds.
`String` | `KEY_ADDITIONAL_CALL_SETTING_BOOL` Does not display additional call setting for IMS phone based on GSM Phone
`String` | `KEY_ALLOW_ADDING_APNS_BOOL` Allow user to add APNs
`String` | `KEY_ALLOW_ADD_CALL_DURING_VIDEO_CALL_BOOL` When true, indicates that adding a call is disabled when there is an ongoing video call or when there is an ongoing call on wifi which was downgraded from video and VoWifi is turned off.
`String` | `KEY_ALLOW_EMERGENCY_NUMBERS_IN_CALL_LOG_BOOL` Determines if the current device should allow emergency numbers to be logged in the Call Log.
`String` | `KEY_ALLOW_EMERGENCY_VIDEO_CALLS_BOOL` Flag indicating whether to allow carrier video calls to emergency numbers.
`String` | `KEY_ALLOW_HOLD_CALL_DURING_EMERGENCY_BOOL` Flag indicating whether or not an ongoing call will be held when an outgoing emergency call is placed.
`String` | `KEY_ALLOW_HOLD_VIDEO_CALL_BOOL` When `true`, indicates that video calls can be put on hold in order to swap to another call (e.g. a new outgoing call).
`String` | `KEY_ALLOW_LOCAL_DTMF_TONES_BOOL` Determine whether we want to play local DTMF tones in a call, or just let the radio/BP handle playing of the tones.
`String` | `KEY_ALLOW_MERGE_WIFI_CALLS_WHEN_VOWIFI_OFF_BOOL` Flag indicating whether the carrier supports merging wifi calls when VoWIFI is disabled.
`String` | `KEY_ALLOW_NON_EMERGENCY_CALLS_IN_ECM_BOOL` Determines whether the carrier supports making non-emergency phone calls while the phone is in emergency callback mode.
`String` | `KEY_ALLOW_VIDEO_CALLING_FALLBACK_BOOL` Whether system apps are allowed to use fallback if carrier video call is not available.
`String` | `KEY_ALWAYS_SHOW_DATA_RAT_ICON_BOOL` Boolean indicating if show data RAT icon on status bar even when data is disabled.
`String` | `KEY_ALWAYS_SHOW_EMERGENCY_ALERT_ONOFF_BOOL` This constant is deprecated. The allow alerts option is always shown now. No longer need a config for that.
`String` | `KEY_ALWAYS_SHOW_PRIMARY_SIGNAL_BAR_IN_OPPORTUNISTIC_NETWORK_BOOLEAN` Indicates when a carrier has a primary subscription and an opportunistic subscription active, and when Internet data is switched to opportunistic network, whether to still show signal bar of primary network.
`String` | `KEY_APN_EXPAND_BOOL` Control whether users can edit APNs in Settings.
`String` | `KEY_APN_SETTINGS_DEFAULT_APN_TYPES_STRING_ARRAY` Default value of APN types field if not specified by user when adding/modifying an APN.
`String` | `KEY_AUTO_RETRY_ENABLED_BOOL` Flag indicating if auto retry is enabled
`String` | `KEY_CALL_BARRING_SUPPORTS_DEACTIVATE_ALL_BOOL` Flag indicating whether or not deactivating all call barring features via the "Call Barring" settings menu is supported.
`String` | `KEY_CALL_BARRING_SUPPORTS_PASSWORD_CHANGE_BOOL` Flag indicating whether or not changing the call barring password via the "Call Barring" settings menu is supported.
`String` | `KEY_CALL_BARRING_VISIBILITY_BOOL` Boolean indicating if the "Call barring" item is visible in the Call Settings menu.
`String` | `KEY_CALL_FORWARDING_BLOCKS_WHILE_ROAMING_STRING_ARRAY` An array containing custom call forwarding number prefixes that will be blocked while the device is reporting that it is roaming.
`String` | `KEY_CALL_REDIRECTION_SERVICE_COMPONENT_NAME_STRING` Specifies a carrier-defined `CallRedirectionService` which Telecom will bind to for outgoing calls.
`String` | `KEY_CARRIER_ALLOW_DEFLECT_IMS_CALL_BOOL` Flag indicating whether the carrier supports call deflection for an incoming IMS call.
`String` | `KEY_CARRIER_ALLOW_TURNOFF_IMS_BOOL` Flag specifying whether IMS service can be turned off.
`String` | `KEY_CARRIER_APP_REQUIRED_DURING_SIM_SETUP_BOOL` Determines whether the carrier app needed to be involved when users try to finish setting up the SIM card to get network service.
`String` | `KEY_CARRIER_CALL_SCREENING_APP_STRING` The Component Name of a carrier-provided CallScreeningService implementation.
`String` | `KEY_CARRIER_CERTIFICATE_STRING_ARRAY` Holds the list of carrier certificate hashes.
`String` | `KEY_CARRIER_CONFIG_APPLIED_BOOL` Determines whether any carrier has been identified and its specific config has been applied, default to false.
`String` | `KEY_CARRIER_CONFIG_VERSION_STRING` Specifies a value that identifies the version of the carrier configuration that is currently in use.
`String` | `KEY_CARRIER_DATA_CALL_PERMANENT_FAILURE_STRINGS` Data call setup permanent failure causes by the carrier
`String` | `KEY_CARRIER_DEFAULT_ACTIONS_ON_DCFAILURE_STRING_ARRAY` Defines carrier-specific actions which act upon CARRIER_SIGNAL_REQUEST_NETWORK_FAILED and configured signal args: android.telephony.TelephonyManager#EXTRA_APN_TYPE, android.telephony.TelephonyManager#EXTRA_ERROR_CODE used for customization of the default carrier app Format: { "APN_1, ERROR_CODE_1 : CARRIER_ACTION_IDX_1, CARRIER_ACTION_IDX_2...", "APN_1, ERROR_CODE_2 : CARRIER_ACTION_IDX_1 " } Where `APN_1` is a string defined in com.android.internal.telephony.PhoneConstants Example: "default" `ERROR_CODE_1` is an integer defined in android.telephony.DataFailCause Example: android.telephony.DataFailCause#MISSING_UNKNOWN_APN `CARRIER_ACTION_IDX_1` is an integer defined in com.android.carrierdefaultapp.CarrierActionUtils Example: com.android.carrierdefaultapp.CarrierActionUtils#CARRIER_ACTION_DISABLE_METERED_APNS disables metered APNs
`String` | `KEY_CARRIER_DEFAULT_ACTIONS_ON_DEFAULT_NETWORK_AVAILABLE` Defines carrier-specific actions which act upon com.android.internal.telephony.CARRIER_SIGNAL_DEFAULT_NETWORK_AVAILABLE, used for customization of the default carrier app.
`String` | `KEY_CARRIER_DEFAULT_ACTIONS_ON_REDIRECTION_STRING_ARRAY` Defines carrier-specific actions which act upon com.android.internal.telephony.CARRIER_SIGNAL_REDIRECTED, used for customization of the default carrier app.
`String` | `KEY_CARRIER_DEFAULT_ACTIONS_ON_RESET` Defines carrier-specific actions which act upon CARRIER_SIGNAL_RESET, used for customization of the default carrier app.
`String` | `KEY_CARRIER_DEFAULT_REDIRECTION_URL_STRING_ARRAY` Defines a list of acceptable redirection url for default carrier app.
`String` | `KEY_CARRIER_DEFAULT_WFC_IMS_ENABLED_BOOL` Default WFC_IMS_enabled: true VoWiFi by default is on false VoWiFi by default is off
`String` | `KEY_CARRIER_DEFAULT_WFC_IMS_MODE_INT` Default mode for WFC over IMS on home network: 0: Wi-Fi only 1: prefer mobile network 2: prefer Wi-Fi
`String` | `KEY_CARRIER_DEFAULT_WFC_IMS_ROAMING_MODE_INT` Default mode for WFC over IMS on roaming network.
`String` | `KEY_CARRIER_FORCE_DISABLE_ETWS_CMAS_TEST_BOOL` This constant is deprecated. Use `com.android.cellbroadcastreceiver.CellBroadcastReceiver` resource `show_test_settings` to control whether to show test alert settings or not.
`String` | `KEY_CARRIER_IMS_GBA_REQUIRED_BOOL` Flag specifying whether Generic Bootstrapping Architecture capable SIM is required for IMS.
`String` | `KEY_CARRIER_INSTANT_LETTERING_AVAILABLE_BOOL` Flag specifying whether IMS instant lettering is available for the carrier.
`String` | `KEY_CARRIER_INSTANT_LETTERING_ENCODING_STRING` When IMS instant lettering is available for a carrier (see `KEY_CARRIER_INSTANT_LETTERING_AVAILABLE_BOOL`), determines the character encoding which will be used when determining the length of messages.
`String` | `KEY_CARRIER_INSTANT_LETTERING_ESCAPED_CHARS_STRING` When IMS instant lettering is available for a carrier (see `KEY_CARRIER_INSTANT_LETTERING_AVAILABLE_BOOL`), determines a list of characters which must be escaped with a backslash '\' character.
`String` | `KEY_CARRIER_INSTANT_LETTERING_INVALID_CHARS_STRING` When IMS instant lettering is available for a carrier (see `KEY_CARRIER_INSTANT_LETTERING_AVAILABLE_BOOL`), determines the list of characters which may not be contained in messages.
`String` | `KEY_CARRIER_INSTANT_LETTERING_LENGTH_LIMIT_INT` When IMS instant lettering is available for a carrier (see `KEY_CARRIER_INSTANT_LETTERING_AVAILABLE_BOOL`), the length limit for messages.
`String` | `KEY_CARRIER_NAME_OVERRIDE_BOOL` Unconditionally override the carrier name string using #KEY_CARRIER_NAME_STRING.
`String` | `KEY_CARRIER_NAME_STRING` String to identify carrier name in CarrierConfig app.
`String` | `KEY_CARRIER_RCS_PROVISIONING_REQUIRED_BOOL` Flag specifying whether provisioning is required for RCS.
`String` | `KEY_CARRIER_SETTINGS_ACTIVITY_COMPONENT_NAME_STRING` Flatten `ComponentName` of the carrier's settings activity.
`String` | `KEY_CARRIER_SETTINGS_ENABLE_BOOL` Display carrier settings menu if true
`String` | `KEY_CARRIER_SUPPORTS_SS_OVER_UT_BOOL` Flag indicating whether or not the carrier supports Supplementary Services over the UT interface for this subscription.
`String` | `KEY_CARRIER_USE_IMS_FIRST_FOR_EMERGENCY_BOOL`
`String` | `KEY_CARRIER_UT_PROVISIONING_REQUIRED_BOOL` Flag indicating whether or not the IMS MmTel UT capability requires carrier provisioning before it can be set as enabled.
`String` | `KEY_CARRIER_VOLTE_AVAILABLE_BOOL` Flag specifying whether VoLTE should be available for carrier, independent of carrier provisioning.
`String` | `KEY_CARRIER_VOLTE_OVERRIDE_WFC_PROVISIONING_BOOL` Flag specifying if WFC provisioning depends on VoLTE provisioning.
`String` | `KEY_CARRIER_VOLTE_PROVISIONED_BOOL` This flag specifies whether VoLTE availability is based on provisioning.
`String` | `KEY_CARRIER_VOLTE_PROVISIONING_REQUIRED_BOOL` Flag specifying whether provisioning is required for VoLTE, Video Telephony, and WiFi Calling.
`String` | `KEY_CARRIER_VOLTE_TTY_SUPPORTED_BOOL` Flag specifying whether VoLTE TTY is supported.
`String` | `KEY_CARRIER_VT_AVAILABLE_BOOL` Flag specifying whether video telephony is available for carrier.
`String` | `KEY_CARRIER_VVM_PACKAGE_NAME_STRING` This constant is deprecated. use `KEY_CARRIER_VVM_PACKAGE_NAME_STRING_ARRAY`.
`String` | `KEY_CARRIER_VVM_PACKAGE_NAME_STRING_ARRAY` A list of the carrier's visual voicemail app package names to ensure that dialer visual voicemail and carrier visual voicemail are not active at the same time.
`String` | `KEY_CARRIER_WFC_IMS_AVAILABLE_BOOL` Flag specifying whether WFC over IMS should be available for carrier: independent of carrier provisioning.
`String` | `KEY_CARRIER_WFC_SUPPORTS_WIFI_ONLY_BOOL` Flag specifying whether WFC over IMS supports the "wifi only" option.
`String` | `KEY_CDMA_3WAYCALL_FLASH_DELAY_INT` For carriers which require an empty flash to be sent before sending the normal 3-way calling flash, the duration in milliseconds of the empty flash to send.
`String` | `KEY_CDMA_DTMF_TONE_DELAY_INT` Specifies the amount of gap to be added in millis between postdial DTMF tones.
`String` | `KEY_CDMA_NONROAMING_NETWORKS_STRING_ARRAY` Override the platform's notion of a network operator being considered non roaming.
`String` | `KEY_CDMA_ROAMING_MODE_INT` The CDMA roaming mode (aka CDMA system select).
`String` | `KEY_CDMA_ROAMING_NETWORKS_STRING_ARRAY` Override the platform's notion of a network operator being considered roaming.
`String` | `KEY_CHECK_PRICING_WITH_CARRIER_FOR_DATA_ROAMING_BOOL` Determines whether we should show a warning asking the user to check with their carrier on pricing when the user enabled data roaming, default to false.
`String` | `KEY_CI_ACTION_ON_SYS_UPDATE_BOOL` Flag specifying whether an additional (client initiated) intent needs to be sent on System update
`String` | `KEY_CI_ACTION_ON_SYS_UPDATE_EXTRA_STRING` Extra to be included in the intent sent for additional action on System update
`String` | `KEY_CI_ACTION_ON_SYS_UPDATE_EXTRA_VAL_STRING` Value of extra included in intent sent for additional action on System update
`String` | `KEY_CI_ACTION_ON_SYS_UPDATE_INTENT_STRING` Intent to be sent for the additional action on System update
`String` | `KEY_CONFIG_IMS_MMTEL_PACKAGE_OVERRIDE_STRING` The package name containing the ImsService that will be bound to the telephony framework to support IMS MMTEL feature functionality instead of the device default ImsService for this subscription.
`String` | `KEY_CONFIG_IMS_PACKAGE_OVERRIDE_STRING` This constant is deprecated. Use `KEY_CONFIG_IMS_MMTEL_PACKAGE_OVERRIDE_STRING` and `KEY_CONFIG_IMS_RCS_PACKAGE_OVERRIDE_STRING` instead to configure these values separately. If any of those values are not empty, they will override this value.
`String` | `KEY_CONFIG_IMS_RCS_PACKAGE_OVERRIDE_STRING` The package name containing the ImsService that will be bound to the telephony framework to support IMS RCS feature functionality instead of the device default ImsService for this subscription.
`String` | `KEY_CONFIG_PLANS_PACKAGE_OVERRIDE_STRING` Override the package that will manage `SubscriptionPlan` information instead of the `CarrierService` that defines this value.
`String` | `KEY_CONFIG_TELEPHONY_USE_OWN_NUMBER_FOR_VOICEMAIL_BOOL` Flag that specifies to use the user's own phone number as the voicemail number when there is no pre-loaded voicemail number on the SIM card.
`String` | `KEY_CONFIG_WIFI_DISABLE_IN_ECBM` Flag to indicate if Wi-Fi needs to be disabled in ECBM.
`String` | `KEY_CSP_ENABLED_BOOL` If this is true, the SIM card (through Customer Service Profile EF file) will be able to prevent manual operator selection.
`String` | `KEY_DATA_LIMIT_NOTIFICATION_BOOL` Controls if the device should automatically notify the user as they reach their cellular data limit.
`String` | `KEY_DATA_LIMIT_THRESHOLD_BYTES_LONG` Controls the cellular data limit.
`String` | `KEY_DATA_RAPID_NOTIFICATION_BOOL` Controls if the device should automatically notify the user when rapid cellular data usage is observed.
`String` | `KEY_DATA_SWITCH_VALIDATION_TIMEOUT_LONG` Upon data switching between subscriptions within a carrier group, if switch depends on validation result, this value defines customized value of how long we wait for validation success before we fail and revoke the switch.
`String` | `KEY_DATA_WARNING_NOTIFICATION_BOOL` Controls if the device should automatically notify the user as they reach their cellular data warning.
`String` | `KEY_DATA_WARNING_THRESHOLD_BYTES_LONG` Controls the data usage warning.
`String` | `KEY_DEFAULT_SIM_CALL_MANAGER_STRING` The default sim call manager to use when the default dialer doesn't implement one.
`String` | `KEY_DEFAULT_VM_NUMBER_ROAMING_AND_IMS_UNREGISTERED_STRING` Where there is no preloaded voicemail number on a SIM card, specifies the carrier's default voicemail number while the device is both roaming and not registered for IMS.
`String` | `KEY_DEFAULT_VM_NUMBER_STRING` Where there is no preloaded voicemail number on a SIM card, specifies the carrier's default voicemail number.
`String` | `KEY_DIAL_STRING_REPLACE_STRING_ARRAY` Specifies a map from dialstrings to replacements for roaming network service numbers which cannot be replaced on the carrier side.
`String` | `KEY_DISABLE_CDMA_ACTIVATION_CODE_BOOL` Disables dialing "*228" (OTASP provisioning) on CDMA carriers where it is not supported or is potentially harmful by locking the SIM to 3G.
`String` | `KEY_DISABLE_CHARGE_INDICATION_BOOL` The flag to disable the popup dialog which warns the user of data charges.
`String` | `KEY_DISABLE_SUPPLEMENTARY_SERVICES_IN_AIRPLANE_MODE_BOOL` Boolean indicating the Supplementary Services(SS) is disable when airplane mode on in the Call Settings menu.
`String` | `KEY_DISCONNECT_CAUSE_PLAY_BUSYTONE_INT_ARRAY` DisconnectCause array to play busy tone.
`String` | `KEY_DISPLAY_HD_AUDIO_PROPERTY_BOOL` Determines whether High Definition audio property is displayed in the dialer UI.
`String` | `KEY_DROP_VIDEO_CALL_WHEN_ANSWERING_AUDIO_CALL_BOOL` When `true`, if the user is in an ongoing video call over WIFI and answers an incoming audio call, the video call will be disconnected before the audio call is answered.
`String` | `KEY_DTMF_TYPE_ENABLED_BOOL` Flag indicating if dtmf tone type is enabled
`String` | `KEY_DURATION_BLOCKING_DISABLED_AFTER_EMERGENCY_INT` The duration in seconds that platform call and message blocking is disabled after the user contacts emergency services.
`String` | `KEY_EDITABLE_ENHANCED_4G_LTE_BOOL` Determine whether user can toggle Enhanced 4G LTE Mode in Settings.
`String` | `KEY_EDITABLE_VOICEMAIL_NUMBER_BOOL` Since the default voicemail number is empty, if a SIM card does not have a voicemail number available the user cannot use voicemail.
`String` | `KEY_EDITABLE_VOICEMAIL_NUMBER_SETTING_BOOL` Determine whether user can edit voicemail number in Settings.
`String` | `KEY_EDITABLE_WFC_MODE_BOOL` Determine whether user can switch Wi-Fi preferred or Cellular preferred in calling preference.
`String` | `KEY_EDITABLE_WFC_ROAMING_MODE_BOOL` Determine whether user can change Wi-Fi Calling preference in roaming.
`String` | `KEY_EMERGENCY_NOTIFICATION_DELAY_INT` Time delay (in ms) after which we show the notification for emergency calls, while the device is registered over WFC.
`String` | `KEY_EMERGENCY_NUMBER_PREFIX_STRING_ARRAY` Indicates zero or more emergency number prefix(es), because some carrier requires if users dial an emergency number address with a specific prefix, the combination of the prefix and the address is also a valid emergency number to dial.
`String` | `KEY_ENABLE_DIALER_KEY_VIBRATION_BOOL` If true, enable vibration (haptic feedback) for key presses in the EmergencyDialer activity.
`String` | `KEY_ENHANCED_4G_LTE_ON_BY_DEFAULT_BOOL` Sets the default state for the "Enhanced 4G LTE" or "Advanced Calling" mode toggle set by the user.
`String` | `KEY_ENHANCED_4G_LTE_TITLE_VARIANT_INT` The index indicates the carrier specified title string of Enhanced 4G LTE Mode settings.
`String` | `KEY_FORCE_HOME_NETWORK_BOOL` Override the platform's notion of a network operator being considered non roaming.
`String` | `KEY_GSM_DTMF_TONE_DELAY_INT` Specifies the amount of gap to be added in millis between postdial DTMF tones.
`String` | `KEY_GSM_NONROAMING_NETWORKS_STRING_ARRAY` Override the platform's notion of a network operator being considered not roaming.
`String` | `KEY_GSM_ROAMING_NETWORKS_STRING_ARRAY` Override the platform's notion of a network operator being considered roaming.
`String` | `KEY_HAS_IN_CALL_NOISE_SUPPRESSION_BOOL` Determines if device implements a noise suppression device for in call audio.
`String` | `KEY_HIDE_CARRIER_NETWORK_SETTINGS_BOOL` Control whether users can reach the carrier portions of Cellular Network Settings.
`String` | `KEY_HIDE_ENHANCED_4G_LTE_BOOL` Determines whether the Enhanced 4G LTE toggle will be shown in the settings.
`String` | `KEY_HIDE_IMS_APN_BOOL` Determine whether IMS apn can be shown.
`String` | `KEY_HIDE_LTE_PLUS_DATA_ICON_BOOL` Boolean indicating if LTE+ icon should be shown if available.
`String` | `KEY_HIDE_PREFERRED_NETWORK_TYPE_BOOL` Determine whether preferred network type can be shown.
`String` | `KEY_HIDE_PRESET_APN_DETAILS_BOOL` Flag to hide Preset APN details.
`String` | `KEY_HIDE_SIM_LOCK_SETTINGS_BOOL` Control whether users can reach the SIM lock settings.
`String` | `KEY_IGNORE_DATA_ENABLED_CHANGED_FOR_VIDEO_CALLS` When `true`, changes to the mobile data enabled switch will not cause the VT registration state to change.
`String` | `KEY_IGNORE_RTT_MODE_SETTING_BOOL` When `true`, the phone will always tell the IMS stack to keep RTT enabled and determine on a per-call basis (based on extras from the dialer app) whether a call should be an RTT call or not.
`String` | `KEY_IGNORE_SIM_NETWORK_LOCKED_EVENTS_BOOL` Flag indicating whether the Phone app should ignore EVENT_SIM_NETWORK_LOCKED events from the Sim.
`String` | `KEY_IMS_CONFERENCE_SIZE_LIMIT_INT` Determines the maximum number of participants the carrier supports for a conference call.
`String` | `KEY_IMS_DTMF_TONE_DELAY_INT` Specifies the amount of gap to be added in millis between DTMF tones.
`String` | `KEY_IS_IMS_CONFERENCE_SIZE_ENFORCED_BOOL` Determines whether a maximum size limit for IMS conference calls is enforced on the device.
`String` | `KEY_LTE_ENABLED_BOOL` Boolean to decide whether LTE is enabled.
`String` | `KEY_LTE_RSRQ_THRESHOLDS_INT_ARRAY` A list of 4 customized LTE Reference Signal Received Quality (RSRQ) thresholds.
`String` | `KEY_LTE_RSSNR_THRESHOLDS_INT_ARRAY` A list of 4 customized LTE Reference Signal Signal to Noise Ratio (RSSNR) thresholds.
`String` | `KEY_MDN_IS_ADDITIONAL_VOICEMAIL_NUMBER_BOOL` When checking if a given number is the voicemail number, if this flag is true then in addition to comparing the given number to the voicemail number, we also compare it to the mdn.
`String` | `KEY_MMS_ALIAS_ENABLED_BOOL`
`String` | `KEY_MMS_ALIAS_MAX_CHARS_INT`
`String` | `KEY_MMS_ALIAS_MIN_CHARS_INT`
`String` | `KEY_MMS_ALLOW_ATTACH_AUDIO_BOOL`
`String` | `KEY_MMS_APPEND_TRANSACTION_ID_BOOL`
`String` | `KEY_MMS_CLOSE_CONNECTION_BOOL` If true, add "Connection: close" header to MMS HTTP requests so the connection is immediately closed (disabling keep-alive).
`String` | `KEY_MMS_EMAIL_GATEWAY_NUMBER_STRING`
`String` | `KEY_MMS_GROUP_MMS_ENABLED_BOOL`
`String` | `KEY_MMS_HTTP_PARAMS_STRING`
`String` | `KEY_MMS_HTTP_SOCKET_TIMEOUT_INT`
`String` | `KEY_MMS_MAX_IMAGE_HEIGHT_INT`
`String` | `KEY_MMS_MAX_IMAGE_WIDTH_INT`
`String` | `KEY_MMS_MAX_MESSAGE_SIZE_INT`
`String` | `KEY_MMS_MESSAGE_TEXT_MAX_SIZE_INT`
`String` | `KEY_MMS_MMS_DELIVERY_REPORT_ENABLED_BOOL`
`String` | `KEY_MMS_MMS_ENABLED_BOOL`
`String` | `KEY_MMS_MMS_READ_REPORT_ENABLED_BOOL`
`String` | `KEY_MMS_MULTIPART_SMS_ENABLED_BOOL`
`String` | `KEY_MMS_NAI_SUFFIX_STRING`
`String` | `KEY_MMS_NOTIFY_WAP_MMSC_ENABLED_BOOL`
`String` | `KEY_MMS_RECIPIENT_LIMIT_INT`
`String` | `KEY_MMS_SEND_MULTIPART_SMS_AS_SEPARATE_MESSAGES_BOOL`
`String` | `KEY_MMS_SHOW_CELL_BROADCAST_APP_LINKS_BOOL`
`String` | `KEY_MMS_SMS_DELIVERY_REPORT_ENABLED_BOOL`
`String` | `KEY_MMS_SMS_TO_MMS_TEXT_LENGTH_THRESHOLD_INT`
`String` | `KEY_MMS_SMS_TO_MMS_TEXT_THRESHOLD_INT`
`String` | `KEY_MMS_SUBJECT_MAX_LENGTH_INT`
`String` | `KEY_MMS_SUPPORT_HTTP_CHARSET_HEADER_BOOL`
`String` | `KEY_MMS_SUPPORT_MMS_CONTENT_DISPOSITION_BOOL`
`String` | `KEY_MMS_UA_PROF_TAG_NAME_STRING`
`String` | `KEY_MMS_UA_PROF_URL_STRING`
`String` | `KEY_MMS_USER_AGENT_STRING`
`String` | `KEY_MONTHLY_DATA_CYCLE_DAY_INT` The day of the month (1-31) on which the data cycle rolls over.
`String` | `KEY_ONLY_AUTO_SELECT_IN_HOME_NETWORK_BOOL` Only allow auto selection in Advanced Network Settings when in home network.
`String` | `KEY_ONLY_SINGLE_DC_ALLOWED_INT_ARRAY` List of RIL radio technologies (See `ServiceState` `RIL_RADIO_TECHNOLOGY_*` constants) which support only a single data connection at a time.
`String` | `KEY_OPERATOR_SELECTION_EXPAND_BOOL` Control whether users can choose a network operator.
`String` | `KEY_OPPORTUNISTIC_NETWORK_BACKOFF_TIME_LONG` Controls back off time in milli seconds for switching back to opportunistic subscription.
`String` | `KEY_OPPORTUNISTIC_NETWORK_DATA_SWITCH_EXIT_HYSTERESIS_TIME_LONG` Controls hysteresis time in milli seconds for which OpportunisticNetworkService will wait before switching data from opportunistic network to primary network.
`String` | `KEY_OPPORTUNISTIC_NETWORK_DATA_SWITCH_HYSTERESIS_TIME_LONG` Controls hysteresis time in milli seconds for which OpportunisticNetworkService will wait before switching data to an opportunistic network.
`String` | `KEY_OPPORTUNISTIC_NETWORK_ENTRY_OR_EXIT_HYSTERESIS_TIME_LONG` Controls hysteresis time in milli seconds for which OpportunisticNetworkService will wait before attaching to a network.
`String` | `KEY_OPPORTUNISTIC_NETWORK_ENTRY_THRESHOLD_BANDWIDTH_INT` Controls bandwidth threshold in Kbps at which OpportunisticNetworkService will decide whether the opportunistic network is good enough for internet data.
`String` | `KEY_OPPORTUNISTIC_NETWORK_ENTRY_THRESHOLD_RSRP_INT` Controls RSRP threshold at which OpportunisticNetworkService will decide whether the opportunistic network is good enough for internet data.
`String` | `KEY_OPPORTUNISTIC_NETWORK_ENTRY_THRESHOLD_RSSNR_INT` Controls RSSNR threshold at which OpportunisticNetworkService will decide whether the opportunistic network is good enough for internet data.
`String` | `KEY_OPPORTUNISTIC_NETWORK_EXIT_THRESHOLD_RSRP_INT` Controls RSRP threshold below which OpportunisticNetworkService will decide whether the opportunistic network available is not good enough for internet data.
`String` | `KEY_OPPORTUNISTIC_NETWORK_EXIT_THRESHOLD_RSSNR_INT` Controls RSSNR threshold below which OpportunisticNetworkService will decide whether the opportunistic network available is not good enough for internet data.
`String` | `KEY_OPPORTUNISTIC_NETWORK_MAX_BACKOFF_TIME_LONG` Controls the max back off time in milli seconds for switching back to opportunistic subscription.
`String` | `KEY_OPPORTUNISTIC_NETWORK_PING_PONG_TIME_LONG` Controls the ping pong determination of opportunistic network.
`String` | `KEY_PING_TEST_BEFORE_DATA_SWITCH_BOOL` Controls whether to do ping test before switching data to opportunistic network.
`String` | `KEY_PREFER_2G_BOOL` Used in Cellular Network Settings for preferred network type.
`String` | `KEY_PREVENT_CLIR_ACTIVATION_AND_DEACTIVATION_CODE_BOOL` Flag specifying whether to prevent sending CLIR activation("*31#") and deactivation("#31#") code only without dialing number.
`String` | `KEY_RADIO_RESTART_FAILURE_CAUSES_INT_ARRAY` A list of failure cause codes that will trigger a modem restart when telephony receiving one of those during data setup.
`String` | `KEY_RCS_CONFIG_SERVER_URL_STRING` The RCS configuration server URL.
`String` | `KEY_READ_ONLY_APN_FIELDS_STRING_ARRAY` APN fields that user is not allowed to modify.
`String` | `KEY_READ_ONLY_APN_TYPES_STRING_ARRAY` APN types that user is not allowed to modify.
`String` | `KEY_REQUIRE_ENTITLEMENT_CHECKS_BOOL` Flag to require or skip entitlement checks.
`String` | `KEY_RESTART_RADIO_ON_PDP_FAIL_REGULAR_DEACTIVATION_BOOL` This constant is deprecated. Use `KEY_RADIO_RESTART_FAILURE_CAUSES_INT_ARRAY` instead
`String` | `KEY_RTT_SUPPORTED_BOOL` Flag indicating whether the carrier supports RTT over IMS.
`String` | `KEY_SHOW_4G_FOR_3G_DATA_ICON_BOOL` Boolean indicating if default data account should show 4G icon when in 3G.
`String` | `KEY_SHOW_4G_FOR_LTE_DATA_ICON_BOOL` Boolean indicating if default data account should show LTE or 4G icon.
`String` | `KEY_SHOW_APN_SETTING_CDMA_BOOL` Show APN Settings for some CDMA carriers
`String` | `KEY_SHOW_BLOCKING_PAY_PHONE_OPTION_BOOL` Flag specifying whether to show blocking pay phone option in blocked numbers screen.
`String` | `KEY_SHOW_CALL_BLOCKING_DISABLED_NOTIFICATION_ALWAYS_BOOL` Flag specifying whether to show notification(call blocking disabled) when Enhanced Call Blocking(KEY_SUPPORT_ENHANCED_CALL_BLOCKING_BOOL) is enabled and making emergency call.
`String` | `KEY_SHOW_CDMA_CHOICES_BOOL` Show cdma network mode choices 1x, 3G, global etc.
`String` | `KEY_SHOW_FORWARDED_NUMBER_BOOL` Flag specifying whether to show forwarded number on call-in-progress screen.
`String` | `KEY_SHOW_ICCID_IN_SIM_STATUS_BOOL` Flag specifying whether ICCID is showed in SIM Status screen, default to false.
`String` | `KEY_SHOW_IMS_REGISTRATION_STATUS_BOOL` Flag specifying whether IMS registration state menu is shown in Status Info setting, default to false.
`String` | `KEY_SHOW_ONSCREEN_DIAL_BUTTON_BOOL` If true, show an onscreen "Dial" button in the dialer.
`String` | `KEY_SHOW_SIGNAL_STRENGTH_IN_SIM_STATUS_BOOL` Flag specifying whether the `SignalStrength` is shown in the SIM Status screen.
`String` | `KEY_SHOW_VIDEO_CALL_CHARGES_ALERT_DIALOG_BOOL` Flag specifying whether to show an alert dialog for video call charges.
`String` | `KEY_SHOW_WFC_LOCATION_PRIVACY_POLICY_BOOL` Determines whether wifi calling location privacy policy is shown.
`String` | `KEY_SIMPLIFIED_NETWORK_SETTINGS_BOOL` Control whether users receive a simplified network settings UI and improved network selection.
`String` | `KEY_SIM_NETWORK_UNLOCK_ALLOW_DISMISS_BOOL` Flag indicating whether the Phone app should provide a "Dismiss" button on the SIM network unlock screen.
`String` | `KEY_SMS_REQUIRES_DESTINATION_NUMBER_CONVERSION_BOOL` Determines if the carrier requires converting the destination number before sending out an SMS.
`String` | `KEY_SUPPORT_3GPP_CALL_FORWARDING_WHILE_ROAMING_BOOL` Indicates whether the carrier supports 3gpp call forwarding MMI codes while roaming.
`String` | `KEY_SUPPORT_CLIR_NETWORK_DEFAULT_BOOL` Flag indicating whether to support "Network default" option in Caller ID settings for Calling Line Identification Restriction (CLIR).
`String` | `KEY_SUPPORT_CONFERENCE_CALL_BOOL` Determines whether conference calls are supported by a carrier.
`String` | `KEY_SUPPORT_EMERGENCY_SMS_OVER_IMS_BOOL` Flag indicating whether or not sending emergency SMS messages over IMS is supported when in LTE/limited LTE (Emergency only) service mode..
`String` | `KEY_SUPPORT_ENHANCED_CALL_BLOCKING_BOOL` Determines whether to enable enhanced call blocking feature on the device.
`String` | `KEY_SUPPORT_IMS_CONFERENCE_EVENT_PACKAGE_BOOL` Determines whether the IMS conference merge process supports and returns its participants data.
`String` | `KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL` For IMS video over LTE calls, determines whether video pause signalling is supported.
`String` | `KEY_SUPPORT_SWAP_AFTER_MERGE_BOOL` After a CDMA conference call is merged, the swap button should be displayed.
`String` | `KEY_SUPPORT_TDSCDMA_BOOL` Boolean to decide whether TD-SCDMA is supported.
`String` | `KEY_SUPPORT_TDSCDMA_ROAMING_NETWORKS_STRING_ARRAY` A list of mcc/mnc that support TD-SCDMA for device when connect to the roaming network.
`String` | `KEY_SWITCH_DATA_TO_PRIMARY_IF_PRIMARY_IS_OOS_BOOL` Controls whether to switch data to primary from opportunistic subscription if primary is out of service.
`String` | `KEY_TREAT_DOWNGRADED_VIDEO_CALLS_AS_VIDEO_CALLS_BOOL` Flag indicating whether some telephony logic will treat a call which was formerly a video call as if it is still a video call.
`String` | `KEY_TTY_SUPPORTED_BOOL` Boolean flag indicating whether the carrier supports TTY.
`String` | `KEY_UNLOGGABLE_NUMBERS_STRING_ARRAY` A string array containing numbers that shouldn't be included in the call log.
`String` | `KEY_USE_HFA_FOR_PROVISIONING_BOOL` CDMA activation goes through HFA
`String` | `KEY_USE_OTASP_FOR_PROVISIONING_BOOL` CDMA activation goes through OTASP.
`String` | `KEY_USE_RCS_PRESENCE_BOOL` Flag indicating whether or not the carrier supports the periodic exchange of phone numbers in the user's address book with the carrier's presence server in order to retrieve the RCS capabilities for each contact used in the RCS User Capability Exchange (UCE) procedure.
`String` | `KEY_USE_RCS_SIP_OPTIONS_BOOL` Flag indicating whether the carrier supports RCS SIP OPTIONS indication for User Capability Exchange (UCE).
`String` | `KEY_USE_WFC_HOME_NETWORK_MODE_IN_ROAMING_NETWORK_BOOL` Flag specifying whether the carrier will use the WFC home network mode in roaming network.
`String` | `KEY_VOICEMAIL_NOTIFICATION_PERSISTENT_BOOL` Determine whether the voicemail notification is persistent in the notification bar.
`String` | `KEY_VOICE_PRIVACY_DISABLE_UI_BOOL` If true, removes the Voice Privacy option from Call Settings
`String` | `KEY_VOLTE_REPLACEMENT_RAT_INT` If Voice Radio Technology is RIL_RADIO_TECHNOLOGY_LTE:14 or RIL_RADIO_TECHNOLOGY_UNKNOWN:0 this is the value that should be used instead.
`String` | `KEY_VVM_CELLULAR_DATA_REQUIRED_BOOL` Whether cellular data is required to access visual voicemail.
`String` | `KEY_VVM_CLIENT_PREFIX_STRING` The default OMTP visual voicemail client prefix to use.
`String` | `KEY_VVM_DESTINATION_NUMBER_STRING` The carrier number mobile outgoing (MO) sms messages are sent to.
`String` | `KEY_VVM_DISABLED_CAPABILITIES_STRING_ARRAY` A set of capabilities that should not be used even if it is reported by the visual voicemail IMAP CAPABILITY command.
`String` | `KEY_VVM_LEGACY_MODE_ENABLED_BOOL` Whether legacy mode should be used when the visual voicemail client is disabled.
`String` | `KEY_VVM_PORT_NUMBER_INT` The port through which the mobile outgoing (MO) sms messages are sent through.
`String` | `KEY_VVM_PREFETCH_BOOL` Whether to prefetch audio data on new voicemail arrival, defaulted to true.
`String` | `KEY_VVM_SSL_ENABLED_BOOL` Whether to use SSL to connect to the visual voicemail IMAP server.
`String` | `KEY_VVM_TYPE_STRING` The type of visual voicemail protocol the carrier adheres to.
`String` | `KEY_WFC_EMERGENCY_ADDRESS_CARRIER_APP_STRING` The Component Name of the activity that can setup the emergency address for WiFi Calling as per carrier requirement.
`String` | `KEY_WORLD_MODE_ENABLED_BOOL` Boolean to decide whether world mode is enabled.
`String` | `KEY_WORLD_PHONE_BOOL` Flag indicating if the phone is a world phone

### Public methods
`PersistableBundle` | `getConfig()` Gets the configuration values for the default subscription.
`PersistableBundle` | `getConfigByComponentForSubId(String prefix, int subId)` Gets the configuration values for a component using its prefix.
`PersistableBundle` | `getConfigForSubId(int subId)` Gets the configuration values for a particular subscription, which is associated with a specific SIM card.
`static boolean` | `isConfigForIdentifiedCarrier(PersistableBundle bundle)` Determines whether a configuration `PersistableBundle` obtained from `getConfig()` or `getConfigForSubId(int)` corresponds to an identified carrier.
`void` | `notifyConfigChangedForSubId(int subId)` Calling this method triggers telephony services to fetch the current carrier configuration.

### Inherited methods
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

## Constants

### ACTION_CARRIER_CONFIG_CHANGED

    public static final String ACTION_CARRIER_CONFIG_CHANGED

This intent is broadcast by the system when carrier config changes. An int is specified in `EXTRA_SLOT_INDEX` to indicate the slot index that this is for. An optional int extra `EXTRA_SUBSCRIPTION_INDEX` is included to indicate the subscription index if a valid one is available for the slot index. An optional int extra `TelephonyManager#EXTRA_CARRIER_ID` is included to indicate the carrier id for the changed carrier configuration. An optional int extra `TelephonyManager#EXTRA_SPECIFIC_CARRIER_ID` is included to indicate the precise carrier id for the changed carrier configuration.

See also:

- `TelephonyManager.getSimCarrierId()`
- `TelephonyManager.getSimSpecificCarrierId()`

Constant Value: "android.telephony.action.CARRIER_CONFIG_CHANGED"

### DATA_CYCLE_THRESHOLD_DISABLED

    public static final int DATA_CYCLE_THRESHOLD_DISABLED

Flag indicating that a data cycle threshold should be disabled.

If `KEY_DATA_WARNING_THRESHOLD_BYTES_LONG` is set to this value, the platform's default data warning, if one exists, will be disabled. A user selected data warning will not be overridden.

If `KEY_DATA_LIMIT_THRESHOLD_BYTES_LONG` is set to this value, the platform's default data limit, if one exists, will be disabled. A user selected data limit will not be overridden.

Constant Value: -2 (0xfffffffe)

### DATA_CYCLE_USE_PLATFORM_DEFAULT

    public static final int DATA_CYCLE_USE_PLATFORM_DEFAULT

When `KEY_MONTHLY_DATA_CYCLE_DAY_INT`, `KEY_DATA_LIMIT_THRESHOLD_BYTES_LONG`, or `KEY_DATA_WARNING_THRESHOLD_BYTES_LONG` are set to this value, the platform default value will be used for that key.

Constant Value: -1 (0xffffffff)

### ENABLE_EAP_METHOD_PREFIX_BOOL

    public static final String ENABLE_EAP_METHOD_PREFIX_BOOL

Specifies whether the system should prefix the EAP method to the anonymous identity. The following prefix will be added if this key is set to TRUE: EAP-AKA: "0" EAP-SIM: "1" EAP-AKA_PRIME: "6"

Constant Value: "enable_eap_method_prefix_bool"

### EXTRA_SLOT_INDEX

    public static final String EXTRA_SLOT_INDEX

Extra included in `ACTION_CARRIER_CONFIG_CHANGED` to indicate the slot index that the broadcast is for.

Constant Value: "android.telephony.extra.SLOT_INDEX"

### EXTRA_SUBSCRIPTION_INDEX

    public static final String EXTRA_SUBSCRIPTION_INDEX

Optional extra included in `ACTION_CARRIER_CONFIG_CHANGED` to indicate the subscription index that the broadcast is for, if a valid one is available.

Constant Value: "android.telephony.extra.SUBSCRIPTION_INDEX"

### IMSI_KEY_AVAILABILITY_INT

    public static final String IMSI_KEY_AVAILABILITY_INT

Identifies if the key is available for WLAN or EPDG or both. The value is a bitmask. 0 indicates that neither EPDG or WLAN is enabled. 1 indicates that key type TelephonyManager#KEY_TYPE_EPDG is enabled. 2 indicates that key type TelephonyManager#KEY_TYPE_WLAN is enabled. 3 indicates that both are enabled.

Constant Value: "imsi_key_availability_int"

### KEY_5G_NR_SSRSRP_THRESHOLDS_INT_ARRAY

    public static final String KEY_5G_NR_SSRSRP_THRESHOLDS_INT_ARRAY

List of 4 customized 5G SS reference signal received power (SSRSRP) thresholds.

Reference: 3GPP TS 38.215

4 threshold integers must be within the boundaries [-140 dB, -44 dB], and the levels are:

- "NONE: [-140, threshold1]"
- "POOR: (threshold1, threshold2]"
- "MODERATE: (threshold2, threshold3]"
- "GOOD: (threshold3, threshold4]"
- "EXCELLENT: (threshold4, -44]"

This key is considered invalid if the format is violated. If the key is invalid or not configured, a default value set will apply.

Constant Value: "5g_nr_ssrsrp_thresholds_int_array"

### KEY_5G_NR_SSRSRQ_THRESHOLDS_INT_ARRAY

    public static final String KEY_5G_NR_SSRSRQ_THRESHOLDS_INT_ARRAY

List of 4 customized 5G SS reference signal received quality (SSRSRQ) thresholds.

Reference: 3GPP TS 38.215; 3GPP TS 38.133 section 10

4 threshold integers must be within the boundaries [-43 dB, 20 dB], and the levels are:

- "NONE: [-43, threshold1]"
- "POOR: (threshold1, threshold2]"
- "MODERATE: (threshold2, threshold3]"
- "GOOD: (threshold3, threshold4]"
- "EXCELLENT: (threshold4, 20]"

This key is considered invalid if the format is violated. If the key is invalid or not configured, a default value set will apply.

Constant Value: "5g_nr_ssrsrq_thresholds_int_array"

### KEY_5G_NR_SSSINR_THRESHOLDS_INT_ARRAY

    public static final String KEY_5G_NR_SSSINR_THRESHOLDS_INT_ARRAY

List of 4 customized 5G SS signal-to-noise and interference ratio (SSSINR) thresholds.

Reference: 3GPP TS 38.215, 3GPP TS 38.133 10.1.16.1

4 threshold integers must be within the boundaries [-23 dB, 40 dB], and the levels are:

- "NONE: [-23, threshold1]"
- "POOR: (threshold1, threshold2]"
- "MODERATE: (threshold2, threshold3]"
- "GOOD: (threshold3, threshold4]"
- "EXCELLENT: (threshold4, 40]"

This key is considered invalid if the format is violated. If the key is invalid or not configured, a default value set will apply.

Constant Value: "5g_nr_sssinr_thresholds_int_array"

### KEY_ADDITIONAL_CALL_SETTING_BOOL

    public static final String KEY_ADDITIONAL_CALL_SETTING_BOOL

Does not display additional call setting for IMS phone based on GSM Phone

Constant Value: "additional_call_setting_bool"

### KEY_ALLOW_ADDING_APNS_BOOL

    public static final String KEY_ALLOW_ADDING_APNS_BOOL

Allow user to add APNs

Constant Value: "allow_adding_apns_bool"

### KEY_ALLOW_ADD_CALL_DURING_VIDEO_CALL_BOOL

    public static final String KEY_ALLOW_ADD_CALL_DURING_VIDEO_CALL_BOOL

When true, indicates that adding a call is disabled when there is an ongoing video call or when there is an ongoing call on wifi which was downgraded from video and VoWifi is turned off.

Constant Value: "allow_add_call_during_video_call"

### KEY_ALLOW_EMERGENCY_NUMBERS_IN_CALL_LOG_BOOL

    public static final String KEY_ALLOW_EMERGENCY_NUMBERS_IN_CALL_LOG_BOOL

Determines if the current device should allow emergency numbers to be logged in the Call Log. (Some carriers require that emergency calls *not* be logged, presumably to avoid the risk of accidental redialing from the call log UI. This is a good idea, so the default here is false.)

Constant Value: "allow_emergency_numbers_in_call_log_bool"

### KEY_ALLOW_EMERGENCY_VIDEO_CALLS_BOOL

    public static final String KEY_ALLOW_EMERGENCY_VIDEO_CALLS_BOOL

Flag indicating whether to allow carrier video calls to emergency numbers. When `true`, video calls to emergency numbers will be allowed. When `false`, video calls to emergency numbers will be initiated as audio-only calls instead.

Constant Value: "allow_emergency_video_calls_bool"

### KEY_ALLOW_HOLD_CALL_DURING_EMERGENCY_BOOL

    public static final String KEY_ALLOW_HOLD_CALL_DURING_EMERGENCY_BOOL

Flag indicating whether or not an ongoing call will be held when an outgoing emergency call is placed. If true, ongoing calls will be put on hold when an emergency call is placed. If false, placing an emergency call will trigger the disconnect of all ongoing calls before the emergency call is placed.

Constant Value: "allow_hold_call_during_emergency_bool"

### KEY_ALLOW_HOLD_VIDEO_CALL_BOOL

    public static final String KEY_ALLOW_HOLD_VIDEO_CALL_BOOL

When `true`, indicates that video calls can be put on hold in order to swap to another call (e.g. a new outgoing call). When `false`, indicates that video calls will be disconnected when swapping to another call.

This is `true` by default.

Constant Value: "allow_hold_video_call_bool"

### KEY_ALLOW_LOCAL_DTMF_TONES_BOOL

    public static final String KEY_ALLOW_LOCAL_DTMF_TONES_BOOL

Determine whether we want to play local DTMF tones in a call, or just let the radio/BP handle playing of the tones.

Constant Value: "allow_local_dtmf_tones_bool"

### KEY_ALLOW_MERGE_WIFI_CALLS_WHEN_VOWIFI_OFF_BOOL

    public static final String KEY_ALLOW_MERGE_WIFI_CALLS_WHEN_VOWIFI_OFF_BOOL

Flag indicating whether the carrier supports merging wifi calls when VoWIFI is disabled. This can happen in the case of a carrier which allows offloading video calls to WIFI separately of whether voice over wifi is enabled. In such a scenario when two video calls are downgraded to voice, they remain over wifi. However, if VoWIFI is disabled, these calls cannot be merged.

Constant Value: "allow_merge_wifi_calls_when_vowifi_off_bool"

### KEY_ALLOW_NON_EMERGENCY_CALLS_IN_ECM_BOOL

    public static final String KEY_ALLOW_NON_EMERGENCY_CALLS_IN_ECM_BOOL

Determines whether the carrier supports making non-emergency phone calls while the phone is in emergency callback mode. Default value is `true`, meaning that non-emergency calls are allowed in emergency callback mode.

Constant Value: "allow_non_emergency_calls_in_ecm_bool"

### KEY_ALLOW_VIDEO_CALLING_FALLBACK_BOOL

    public static final String KEY_ALLOW_VIDEO_CALLING_FALLBACK_BOOL

Whether system apps are allowed to use fallback if carrier video call is not available. Defaults to `true`.

Constant Value: "allow_video_calling_fallback_bool"

### KEY_ALWAYS_SHOW_DATA_RAT_ICON_BOOL

    public static final String KEY_ALWAYS_SHOW_DATA_RAT_ICON_BOOL

Boolean indicating if show data RAT icon on status bar even when data is disabled.

Constant Value: "always_show_data_rat_icon_bool"

### KEY_ALWAYS_SHOW_EMERGENCY_ALERT_ONOFF_BOOL

    public static final String KEY_ALWAYS_SHOW_EMERGENCY_ALERT_ONOFF_BOOL

This constant is deprecated.
The allow alerts option is always shown now. No longer need a config for that.

The default flag specifying whether "Allow alerts" option will be always shown in emergency alerts settings regardless developer options is turned on or not.

Constant Value: "always_show_emergency_alert_onoff_bool"

### KEY_ALWAYS_SHOW_PRIMARY_SIGNAL_BAR_IN_OPPORTUNISTIC_NETWORK_BOOLEAN

    public static final String KEY_ALWAYS_SHOW_PRIMARY_SIGNAL_BAR_IN_OPPORTUNISTIC_NETWORK_BOOLEAN

Indicates when a carrier has a primary subscription and an opportunistic subscription active, and when Internet data is switched to opportunistic network, whether to still show signal bar of primary network. By default it will be false, meaning whenever data is going over opportunistic network, signal bar will reflect signal strength and rat icon of that network.

Constant Value: "always_show_primary_signal_bar_in_opportunistic_network_boolean"

### KEY_APN_EXPAND_BOOL

    public static final String KEY_APN_EXPAND_BOOL

Control whether users can edit APNs in Settings.

Constant Value: "apn_expand_bool"

### KEY_APN_SETTINGS_DEFAULT_APN_TYPES_STRING_ARRAY

    public static final String KEY_APN_SETTINGS_DEFAULT_APN_TYPES_STRING_ARRAY

Default value of APN types field if not specified by user when adding/modifying an APN.

Constant Value: "apn_settings_default_apn_types_string_array"

### KEY_AUTO_RETRY_ENABLED_BOOL

    public static final String KEY_AUTO_RETRY_ENABLED_BOOL

Flag indicating if auto retry is enabled

Constant Value: "auto_retry_enabled_bool"

### KEY_CALL_BARRING_SUPPORTS_DEACTIVATE_ALL_BOOL

    public static final String KEY_CALL_BARRING_SUPPORTS_DEACTIVATE_ALL_BOOL

Flag indicating whether or not deactivating all call barring features via the "Call Barring" settings menu is supported. If true, the option will be visible in the "Call Barring" settings menu. If false, the option will not be visible. Enabled by default.

Constant Value: "call_barring_supports_deactivate_all_bool"

### KEY_CALL_BARRING_SUPPORTS_PASSWORD_CHANGE_BOOL

    public static final String KEY_CALL_BARRING_SUPPORTS_PASSWORD_CHANGE_BOOL

Flag indicating whether or not changing the call barring password via the "Call Barring" settings menu is supported. If true, the option will be visible in the "Call Barring" settings menu. If false, the option will not be visible. Enabled by default.

Constant Value: "call_barring_supports_password_change_bool"

### KEY_CALL_BARRING_VISIBILITY_BOOL

    public static final String KEY_CALL_BARRING_VISIBILITY_BOOL

Boolean indicating if the "Call barring" item is visible in the Call Settings menu. If true, the "Call Barring" menu will be visible. If false, the menu will be gone. Disabled by default.

Constant Value: "call_barring_visibility_bool"

### KEY_CALL_FORWARDING_BLOCKS_WHILE_ROAMING_STRING_ARRAY

    public static final String KEY_CALL_FORWARDING_BLOCKS_WHILE_ROAMING_STRING_ARRAY

An array containing custom call forwarding number prefixes that will be blocked while the device is reporting that it is roaming. By default, there are no custom call forwarding prefixes and none of these numbers will be filtered. If one or more entries are present, the system will not complete the call and display an error message. To display a message to the user when call forwarding fails for 3gpp MMI codes while roaming, use the `KEY_SUPPORT_3GPP_CALL_FORWARDING_WHILE_ROAMING_BOOL` option instead.

Constant Value: "call_forwarding_blocks_while_roaming_string_array"

### KEY_CALL_REDIRECTION_SERVICE_COMPONENT_NAME_STRING

    public static final String KEY_CALL_REDIRECTION_SERVICE_COMPONENT_NAME_STRING

Specifies a carrier-defined `CallRedirectionService` which Telecom will bind to for outgoing calls. An empty string indicates that no carrier-defined `CallRedirectionService` is specified.

Constant Value: "call_redirection_service_component_name_string"

### KEY_CARRIER_ALLOW_DEFLECT_IMS_CALL_BOOL

    public static final String KEY_CARRIER_ALLOW_DEFLECT_IMS_CALL_BOOL

Flag indicating whether the carrier supports call deflection for an incoming IMS call.

Constant Value: "carrier_allow_deflect_ims_call_bool"

### KEY_CARRIER_ALLOW_TURNOFF_IMS_BOOL

    public static final String KEY_CARRIER_ALLOW_TURNOFF_IMS_BOOL

Flag specifying whether IMS service can be turned off. If false then the service will not be turned-off completely, but individual features can be disabled.

Constant Value: "carrier_allow_turnoff_ims_bool"

### KEY_CARRIER_APP_REQUIRED_DURING_SIM_SETUP_BOOL

    public static final String KEY_CARRIER_APP_REQUIRED_DURING_SIM_SETUP_BOOL

Determines whether the carrier app needed to be involved when users try to finish setting up the SIM card to get network service.

Constant Value: "carrier_app_required_during_setup_bool"

### KEY_CARRIER_CALL_SCREENING_APP_STRING

    public static final String KEY_CARRIER_CALL_SCREENING_APP_STRING

The Component Name of a carrier-provided CallScreeningService implementation. Telecom will bind to `CallScreeningService` for ALL incoming calls and provide the carrier CallScreeningService with the opportunity to allow or block calls.

The String includes the package name/the class name. Example: com.android.carrier/com.android.carrier.callscreeningserviceimpl

Using `ComponentName#flattenToString()` to convert a ComponentName object to String. Using `ComponentName#unflattenFromString(String)` to convert a String object to a ComponentName.

Constant Value: "call_screening_app"

### KEY_CARRIER_CERTIFICATE_STRING_ARRAY

    public static final String KEY_CARRIER_CERTIFICATE_STRING_ARRAY

Holds the list of carrier certificate hashes. Note that each carrier has its own certificates.

Constant Value: "carrier_certificate_string_array"

### KEY_CARRIER_CONFIG_APPLIED_BOOL

    public static final String KEY_CARRIER_CONFIG_APPLIED_BOOL

Determines whether any carrier has been identified and its specific config has been applied, default to false.

Constant Value: "carrier_config_applied_bool"

### KEY_CARRIER_CONFIG_VERSION_STRING

    public static final String KEY_CARRIER_CONFIG_VERSION_STRING

Specifies a value that identifies the version of the carrier configuration that is currently in use. This string is displayed on the UI. The format of the string is not specified.

Constant Value: "carrier_config_version_string"

### KEY_CARRIER_DATA_CALL_PERMANENT_FAILURE_STRINGS

    public static final String KEY_CARRIER_DATA_CALL_PERMANENT_FAILURE_STRINGS

Data call setup permanent failure causes by the carrier

Constant Value: "carrier_data_call_permanent_failure_strings"

### KEY_CARRIER_DEFAULT_ACTIONS_ON_DCFAILURE_STRING_ARRAY

    public static final String KEY_CARRIER_DEFAULT_ACTIONS_ON_DCFAILURE_STRING_ARRAY

Defines carrier-specific actions which act upon CARRIER_SIGNAL_REQUEST_NETWORK_FAILED and configured signal args: android.telephony.TelephonyManager#EXTRA_APN_TYPE, android.telephony.TelephonyManager#EXTRA_ERROR_CODE used for customization of the default carrier app Format: { "APN_1, ERROR_CODE_1 : CARRIER_ACTION_IDX_1, CARRIER_ACTION_IDX_2...", "APN_1, ERROR_CODE_2 : CARRIER_ACTION_IDX_1 " } Where `APN_1` is a string defined in com.android.internal.telephony.PhoneConstants Example: "default" `ERROR_CODE_1` is an integer defined in android.telephony.DataFailCause Example: android.telephony.DataFailCause#MISSING_UNKNOWN_APN `CARRIER_ACTION_IDX_1` is an integer defined in com.android.carrierdefaultapp.CarrierActionUtils Example: com.android.carrierdefaultapp.CarrierActionUtils#CARRIER_ACTION_DISABLE_METERED_APNS disables metered APNs

Constant Value: "carrier_default_actions_on_dcfailure_string_array"

### KEY_CARRIER_DEFAULT_ACTIONS_ON_DEFAULT_NETWORK_AVAILABLE

    public static final String KEY_CARRIER_DEFAULT_ACTIONS_ON_DEFAULT_NETWORK_AVAILABLE

Defines carrier-specific actions which act upon com.android.internal.telephony.CARRIER_SIGNAL_DEFAULT_NETWORK_AVAILABLE, used for customization of the default carrier app. Format: { "true : CARRIER_ACTION_IDX_1", "false: CARRIER_ACTION_IDX_2" } Where `true` is a boolean indicates default network available/unavailable Where `CARRIER_ACTION_IDX` is an integer defined in com.android.carrierdefaultapp.CarrierActionUtils CarrierActionUtils Example: com.android.carrierdefaultapp.CarrierActionUtils#CARRIER_ACTION_ENABLE_DEFAULT_URL_HANDLER enables the app as the default URL handler

Constant Value: "carrier_default_actions_on_default_network_available_string_array"

### KEY_CARRIER_DEFAULT_ACTIONS_ON_REDIRECTION_STRING_ARRAY

    public static final String KEY_CARRIER_DEFAULT_ACTIONS_ON_REDIRECTION_STRING_ARRAY

Defines carrier-specific actions which act upon com.android.internal.telephony.CARRIER_SIGNAL_REDIRECTED, used for customization of the default carrier app. Format: "CARRIER_ACTION_IDX, ..." Where `CARRIER_ACTION_IDX` is an integer defined in com.android.carrierdefaultapp.CarrierActionUtils Example: com.android.carrierdefaultapp.CarrierActionUtils#CARRIER_ACTION_DISABLE_METERED_APNS disables metered APNs

Constant Value: "carrier_default_actions_on_redirection_string_array"

### KEY_CARRIER_DEFAULT_ACTIONS_ON_RESET

    public static final String KEY_CARRIER_DEFAULT_ACTIONS_ON_RESET

Defines carrier-specific actions which act upon CARRIER_SIGNAL_RESET, used for customization of the default carrier app. Format: "CARRIER_ACTION_IDX, ..." Where `CARRIER_ACTION_IDX` is an integer defined in com.android.carrierdefaultapp.CarrierActionUtils Example: com.android.carrierdefaultapp.CarrierActionUtils#CARRIER_ACTION_CANCEL_ALL_NOTIFICATIONS clears all notifications on reset

Constant Value: "carrier_default_actions_on_reset_string_array"

### KEY_CARRIER_DEFAULT_REDIRECTION_URL_STRING_ARRAY

    public static final String KEY_CARRIER_DEFAULT_REDIRECTION_URL_STRING_ARRAY

Defines a list of acceptable redirection url for default carrier app.

Constant Value: "carrier_default_redirection_url_string_array"

### KEY_CARRIER_DEFAULT_WFC_IMS_ENABLED_BOOL

    public static final String KEY_CARRIER_DEFAULT_WFC_IMS_ENABLED_BOOL

Default WFC_IMS_enabled: true VoWiFi by default is on false VoWiFi by default is off

Constant Value: "carrier_default_wfc_ims_enabled_bool"

### KEY_CARRIER_DEFAULT_WFC_IMS_MODE_INT

    public static final String KEY_CARRIER_DEFAULT_WFC_IMS_MODE_INT

Default mode for WFC over IMS on home network:

- 0: Wi-Fi only
- 1: prefer mobile network
- 2: prefer Wi-Fi

Constant Value: "carrier_default_wfc_ims_mode_int"

### KEY_CARRIER_DEFAULT_WFC_IMS_ROAMING_MODE_INT

    public static final String KEY_CARRIER_DEFAULT_WFC_IMS_ROAMING_MODE_INT

Default mode for WFC over IMS on roaming network. See `KEY_CARRIER_DEFAULT_WFC_IMS_MODE_INT` for meaning of values.

Constant Value: "carrier_default_wfc_ims_roaming_mode_int"

### KEY_CARRIER_FORCE_DISABLE_ETWS_CMAS_TEST_BOOL

    public static final String KEY_CARRIER_FORCE_DISABLE_ETWS_CMAS_TEST_BOOL

This constant is deprecated.
Use `com.android.cellbroadcastreceiver.CellBroadcastReceiver` resource `show_test_settings` to control whether to show test alert settings or not.

The default flag specifying whether ETWS/CMAS test setting is forcibly disabled in Settings->More->Emergency broadcasts menu even though developer options is turned on.

Constant Value: "carrier_force_disable_etws_cmas_test_bool"

### KEY_CARRIER_IMS_GBA_REQUIRED_BOOL

    public static final String KEY_CARRIER_IMS_GBA_REQUIRED_BOOL

Flag specifying whether Generic Bootstrapping Architecture capable SIM is required for IMS.

Constant Value: "carrier_ims_gba_required_bool"

### KEY_CARRIER_INSTANT_LETTERING_AVAILABLE_BOOL

    public static final String KEY_CARRIER_INSTANT_LETTERING_AVAILABLE_BOOL

Flag specifying whether IMS instant lettering is available for the carrier. `True` if instant lettering is available for the carrier, `false` otherwise.

Constant Value: "carrier_instant_lettering_available_bool"

### KEY_CARRIER_INSTANT_LETTERING_ENCODING_STRING

    public static final String KEY_CARRIER_INSTANT_LETTERING_ENCODING_STRING

When IMS instant lettering is available for a carrier (see `KEY_CARRIER_INSTANT_LETTERING_AVAILABLE_BOOL`), determines the character encoding which will be used when determining the length of messages. Used in the InCall UI to limit the number of characters the user may type. If empty-string, the instant lettering message size limit will be enforced on a 1:1 basis. That is, each character will count towards the messages size limit as a single bye. If a character encoding is specified, the message size limit will be based on the number of bytes in the message per the specified encoding.

Constant Value: "carrier_instant_lettering_encoding_string"

### KEY_CARRIER_INSTANT_LETTERING_ESCAPED_CHARS_STRING

    public static final String KEY_CARRIER_INSTANT_LETTERING_ESCAPED_CHARS_STRING

When IMS instant lettering is available for a carrier (see `KEY_CARRIER_INSTANT_LETTERING_AVAILABLE_BOOL`), determines a list of characters which must be escaped with a backslash '\' character. Should be specified as a string containing the characters to be escaped. For example to escape quote and backslash the string would be a quote and a backslash.

Constant Value: "carrier_instant_lettering_escaped_chars_string"

### KEY_CARRIER_INSTANT_LETTERING_INVALID_CHARS_STRING

    public static final String KEY_CARRIER_INSTANT_LETTERING_INVALID_CHARS_STRING

When IMS instant lettering is available for a carrier (see `KEY_CARRIER_INSTANT_LETTERING_AVAILABLE_BOOL`), determines the list of characters which may not be contained in messages. Should be specified as a regular expression suitable for use with `String#matches(String)`.

Constant Value: "carrier_instant_lettering_invalid_chars_string"

### KEY_CARRIER_INSTANT_LETTERING_LENGTH_LIMIT_INT

    public static final String KEY_CARRIER_INSTANT_LETTERING_LENGTH_LIMIT_INT

When IMS instant lettering is available for a carrier (see `KEY_CARRIER_INSTANT_LETTERING_AVAILABLE_BOOL`), the length limit for messages. Used in the InCall UI to ensure the user cannot enter more characters than allowed by the carrier. See also `KEY_CARRIER_INSTANT_LETTERING_ENCODING_STRING` for more information on how the length of the message is calculated.

Constant Value: "carrier_instant_lettering_length_limit_int"

### KEY_CARRIER_NAME_OVERRIDE_BOOL

    public static final String KEY_CARRIER_NAME_OVERRIDE_BOOL

Unconditionally override the carrier name string using #KEY_CARRIER_NAME_STRING. If true, then the carrier name string will be #KEY_CARRIER_NAME_STRING, unconditionally.

If false, then the override will be performed conditionally and the #KEY_CARRIER_NAME_STRING will have the lowest-precedence; it will only be used in the event that the name string would otherwise be empty, allowing it to serve as a last-resort. If used, this value functions in place of the SPN on any/all ICC records for the corresponding subscription.

Constant Value: "carrier_name_override_bool"

### KEY_CARRIER_NAME_STRING

    public static final String KEY_CARRIER_NAME_STRING

String to identify carrier name in CarrierConfig app. This string overrides SPN if #KEY_CARRIER_NAME_OVERRIDE_BOOL is true; otherwise, it will be used if its value is provided and SPN is unavailable

Constant Value: "carrier_name_string"

### KEY_CARRIER_RCS_PROVISIONING_REQUIRED_BOOL

    public static final String KEY_CARRIER_RCS_PROVISIONING_REQUIRED_BOOL

Flag specifying whether provisioning is required for RCS.

Constant Value: "carrier_rcs_provisioning_required_bool"

### KEY_CARRIER_SETTINGS_ACTIVITY_COMPONENT_NAME_STRING

    public static final String KEY_CARRIER_SETTINGS_ACTIVITY_COMPONENT_NAME_STRING

Flatten `ComponentName` of the carrier's settings activity.

Constant Value: "carrier_settings_activity_component_name_string"

### KEY_CARRIER_SETTINGS_ENABLE_BOOL

    public static final String KEY_CARRIER_SETTINGS_ENABLE_BOOL

Display carrier settings menu if true

Constant Value: "carrier_settings_enable_bool"

### KEY_CARRIER_SUPPORTS_SS_OVER_UT_BOOL

    public static final String KEY_CARRIER_SUPPORTS_SS_OVER_UT_BOOL

Flag indicating whether or not the carrier supports Supplementary Services over the UT interface for this subscription. If true, the device will use Supplementary Services over UT when provisioned (see `KEY_CARRIER_UT_PROVISIONING_REQUIRED_BOOL`). If false, this device will fallback to circuit switch for supplementary services and will disable this capability for IMS entirely. The default value for this key is `true`.

Constant Value: "carrier_supports_ss_over_ut_bool"

### KEY_CARRIER_USE_IMS_FIRST_FOR_EMERGENCY_BOOL

    public static final String KEY_CARRIER_USE_IMS_FIRST_FOR_EMERGENCY_BOOL

Constant Value: "carrier_use_ims_first_for_emergency_bool"

### KEY_CARRIER_UT_PROVISIONING_REQUIRED_BOOL

    public static final String KEY_CARRIER_UT_PROVISIONING_REQUIRED_BOOL

Flag indicating whether or not the IMS MmTel UT capability requires carrier provisioning before it can be set as enabled. If true, the UT capability will be set to false for the newly loaded subscription and will require the carrier provisioning app to set the persistent provisioning result. If false, the platform will not wait for provisioning status updates for the UT capability and enable the UT over IMS capability for the subscription when the subscription is loaded. The default value for this key is `false`.

Constant Value: "carrier_ut_provisioning_required_bool"

### KEY_CARRIER_VOLTE_AVAILABLE_BOOL

    public static final String KEY_CARRIER_VOLTE_AVAILABLE_BOOL

Flag specifying whether VoLTE should be available for carrier, independent of carrier provisioning. If false: hard disabled. If true: then depends on carrier provisioning, availability, etc.

Constant Value: "carrier_volte_available_bool"

### KEY_CARRIER_VOLTE_OVERRIDE_WFC_PROVISIONING_BOOL

    public static final String KEY_CARRIER_VOLTE_OVERRIDE_WFC_PROVISIONING_BOOL

Flag specifying if WFC provisioning depends on VoLTE provisioning. `false`: default value; honor actual WFC provisioning state. `true`: when VoLTE is not provisioned, treat WFC as not provisioned; when VoLTE is provisioned, honor actual WFC provisioning state. As of now, Verizon is the only carrier enforcing this dependency in their WFC awareness and activation requirements.

Constant Value: "carrier_volte_override_wfc_provisioning_bool"

### KEY_CARRIER_VOLTE_PROVISIONED_BOOL

    public static final String KEY_CARRIER_VOLTE_PROVISIONED_BOOL

This flag specifies whether VoLTE availability is based on provisioning. By default this is false.

Constant Value: "carrier_volte_provisioned_bool"

### KEY_CARRIER_VOLTE_PROVISIONING_REQUIRED_BOOL

    public static final String KEY_CARRIER_VOLTE_PROVISIONING_REQUIRED_BOOL

Flag specifying whether provisioning is required for VoLTE, Video Telephony, and WiFi Calling.

Constant Value: "carrier_volte_provisioning_required_bool"

### KEY_CARRIER_VOLTE_TTY_SUPPORTED_BOOL

    public static final String KEY_CARRIER_VOLTE_TTY_SUPPORTED_BOOL

Flag specifying whether VoLTE TTY is supported.

Constant Value: "carrier_volte_tty_supported_bool"

### KEY_CARRIER_VT_AVAILABLE_BOOL

    public static final String KEY_CARRIER_VT_AVAILABLE_BOOL

Flag specifying whether video telephony is available for carrier. If false: hard disabled. If true: then depends on carrier provisioning, availability, etc.

Constant Value: "carrier_vt_available_bool"

### KEY_CARRIER_VVM_PACKAGE_NAME_STRING

    public static final String KEY_CARRIER_VVM_PACKAGE_NAME_STRING

This constant is deprecated.
use `KEY_CARRIER_VVM_PACKAGE_NAME_STRING_ARRAY`.

The package name of the carrier's visual voicemail app to ensure that dialer visual voicemail and carrier visual voicemail are not active at the same time.

Constant Value: "carrier_vvm_package_name_string"

### KEY_CARRIER_VVM_PACKAGE_NAME_STRING_ARRAY

    public static final String KEY_CARRIER_VVM_PACKAGE_NAME_STRING_ARRAY

A list of the carrier's visual voicemail app package names to ensure that dialer visual voicemail and carrier visual voicemail are not active at the same time.

Constant Value: "carrier_vvm_package_name_string_array"

### KEY_CARRIER_WFC_IMS_AVAILABLE_BOOL

    public static final String KEY_CARRIER_WFC_IMS_AVAILABLE_BOOL

Flag specifying whether WFC over IMS should be available for carrier: independent of carrier provisioning. If false: hard disabled. If true: then depends on carrier provisioning, availability etc.

Constant Value: "carrier_wfc_ims_available_bool"

### KEY_CARRIER_WFC_SUPPORTS_WIFI_ONLY_BOOL

    public static final String KEY_CARRIER_WFC_SUPPORTS_WIFI_ONLY_BOOL

Flag specifying whether WFC over IMS supports the "wifi only" option. If false, the wifi calling settings will not include an option for "wifi only". If true, the wifi calling settings will include an option for "wifi only"

By default, it is assumed that WFC supports "wifi only".

Constant Value: "carrier_wfc_supports_wifi_only_bool"

### KEY_CDMA_3WAYCALL_FLASH_DELAY_INT

    public static final String KEY_CDMA_3WAYCALL_FLASH_DELAY_INT

For carriers which require an empty flash to be sent before sending the normal 3-way calling flash, the duration in milliseconds of the empty flash to send. When `0`, no empty flash is sent.

Constant Value: "cdma_3waycall_flash_delay_int"

### KEY_CDMA_DTMF_TONE_DELAY_INT

    public static final String KEY_CDMA_DTMF_TONE_DELAY_INT

Specifies the amount of gap to be added in millis between postdial DTMF tones. When a non-zero value is specified, the UE shall wait for the specified amount of time before it sends out successive DTMF tones on the network.

Constant Value: "cdma_dtmf_tone_delay_int"

### KEY_CDMA_NONROAMING_NETWORKS_STRING_ARRAY

    public static final String KEY_CDMA_NONROAMING_NETWORKS_STRING_ARRAY

Override the platform's notion of a network operator being considered non roaming. Value is string array of SIDs to be considered not roaming for 3GPP2 RATs.

Constant Value: "cdma_nonroaming_networks_string_array"

### KEY_CDMA_ROAMING_MODE_INT

    public static final String KEY_CDMA_ROAMING_MODE_INT

The CDMA roaming mode (aka CDMA system select).

The value should be one of the CDMA_ROAMING_MODE_ constants in `TelephonyManager`. Values other than `TelephonyManager#CDMA_ROAMING_MODE_RADIO_DEFAULT` (which is the default) will take precedence over user selection.

See also:

- `TelephonyManager.CDMA_ROAMING_MODE_RADIO_DEFAULT`
- `TelephonyManager.CDMA_ROAMING_MODE_HOME`
- `TelephonyManager.CDMA_ROAMING_MODE_AFFILIATED`
- `TelephonyManager.CDMA_ROAMING_MODE_ANY`

Constant Value: "cdma_roaming_mode_int"

### KEY_CDMA_ROAMING_NETWORKS_STRING_ARRAY

    public static final String KEY_CDMA_ROAMING_NETWORKS_STRING_ARRAY

Override the platform's notion of a network operator being considered roaming. Value is string array of SIDs to be considered roaming for 3GPP2 RATs.

Constant Value: "cdma_roaming_networks_string_array"

### KEY_CHECK_PRICING_WITH_CARRIER_FOR_DATA_ROAMING_BOOL

    public static final String KEY_CHECK_PRICING_WITH_CARRIER_FOR_DATA_ROAMING_BOOL

Determines whether we should show a warning asking the user to check with their carrier on pricing when the user enabled data roaming, default to false.

Constant Value: "check_pricing_with_carrier_data_roaming_bool"

### KEY_CI_ACTION_ON_SYS_UPDATE_BOOL

    public static final String KEY_CI_ACTION_ON_SYS_UPDATE_BOOL

Flag specifying whether an additional (client initiated) intent needs to be sent on System update

Constant Value: "ci_action_on_sys_update_bool"

### KEY_CI_ACTION_ON_SYS_UPDATE_EXTRA_STRING

    public static final String KEY_CI_ACTION_ON_SYS_UPDATE_EXTRA_STRING

Extra to be included in the intent sent for additional action on System update

Constant Value: "ci_action_on_sys_update_extra_string"

### KEY_CI_ACTION_ON_SYS_UPDATE_EXTRA_VAL_STRING

    public static final String KEY_CI_ACTION_ON_SYS_UPDATE_EXTRA_VAL_STRING

Value of extra included in intent sent for additional action on System update

Constant Value: "ci_action_on_sys_update_extra_val_string"

### KEY_CI_ACTION_ON_SYS_UPDATE_INTENT_STRING

    public static final String KEY_CI_ACTION_ON_SYS_UPDATE_INTENT_STRING

Intent to be sent for the additional action on System update

Constant Value: "ci_action_on_sys_update_intent_string"

### KEY_CONFIG_IMS_MMTEL_PACKAGE_OVERRIDE_STRING

    public static final String KEY_CONFIG_IMS_MMTEL_PACKAGE_OVERRIDE_STRING

The package name containing the ImsService that will be bound to the telephony framework to support IMS MMTEL feature functionality instead of the device default ImsService for this subscription.

Constant Value: "config_ims_mmtel_package_override_string"

### KEY_CONFIG_IMS_PACKAGE_OVERRIDE_STRING

    public static final String KEY_CONFIG_IMS_PACKAGE_OVERRIDE_STRING

This constant is deprecated.
Use `KEY_CONFIG_IMS_MMTEL_PACKAGE_OVERRIDE_STRING` and `KEY_CONFIG_IMS_RCS_PACKAGE_OVERRIDE_STRING` instead to configure these values separately. If any of those values are not empty, they will override this value.

The package name containing the ImsService that will be bound to the telephony framework to support both IMS MMTEL and RCS feature functionality instead of the device default ImsService for this subscription.

Constant Value: "config_ims_package_override_string"

### KEY_CONFIG_IMS_RCS_PACKAGE_OVERRIDE_STRING

    public static final String KEY_CONFIG_IMS_RCS_PACKAGE_OVERRIDE_STRING

The package name containing the ImsService that will be bound to the telephony framework to support IMS RCS feature functionality instead of the device default ImsService for this subscription.

Constant Value: "config_ims_rcs_package_override_string"

### KEY_CONFIG_PLANS_PACKAGE_OVERRIDE_STRING

    public static final String KEY_CONFIG_PLANS_PACKAGE_OVERRIDE_STRING

Override the package that will manage `SubscriptionPlan` information instead of the `CarrierService` that defines this value.

See also:

- `SubscriptionManager.getSubscriptionPlans(int)`
- `SubscriptionManager.setSubscriptionPlans(int, java.util.List)`

Constant Value: "config_plans_package_override_string"

### KEY_CONFIG_TELEPHONY_USE_OWN_NUMBER_FOR_VOICEMAIL_BOOL

    public static final String KEY_CONFIG_TELEPHONY_USE_OWN_NUMBER_FOR_VOICEMAIL_BOOL

Flag that specifies to use the user's own phone number as the voicemail number when there is no pre-loaded voicemail number on the SIM card.

`KEY_DEFAULT_VM_NUMBER_STRING` takes precedence over this flag.

If false, the system default (*86) will be used instead.

Constant Value: "config_telephony_use_own_number_for_voicemail_bool"

### KEY_CONFIG_WIFI_DISABLE_IN_ECBM

    public static final String KEY_CONFIG_WIFI_DISABLE_IN_ECBM

Flag to indicate if Wi-Fi needs to be disabled in ECBM.

Constant Value: "config_wifi_disable_in_ecbm"

### KEY_CSP_ENABLED_BOOL

    public static final String KEY_CSP_ENABLED_BOOL

If this is true, the SIM card (through Customer Service Profile EF file) will be able to prevent manual operator selection. If false, this SIM setting will be ignored and manual operator selection will always be available. See CPHS4_2.WW6, CPHS B.4.7.1 for more information

Constant Value: "csp_enabled_bool"

### KEY_DATA_LIMIT_NOTIFICATION_BOOL

    public static final String KEY_DATA_LIMIT_NOTIFICATION_BOOL

Controls if the device should automatically notify the user as they reach their cellular data limit. When set to `false` the carrier is expected to have implemented their own notification mechanism. `true` by default.

Constant Value: "data_limit_notification_bool"

### KEY_DATA_LIMIT_THRESHOLD_BYTES_LONG

    public static final String KEY_DATA_LIMIT_THRESHOLD_BYTES_LONG

Controls the cellular data limit.

If the user uses more than this amount of data in their billing cycle, as defined by `KEY_MONTHLY_DATA_CYCLE_DAY_INT`, cellular data will be turned off by the user's phone. If the value is set to `DATA_CYCLE_THRESHOLD_DISABLED`, the data limit will be disabled.

This setting may be overridden by explicit user choice. By default, `DATA_CYCLE_USE_PLATFORM_DEFAULT` will be used.

Constant Value: "data_limit_threshold_bytes_long"

### KEY_DATA_RAPID_NOTIFICATION_BOOL

    public static final String KEY_DATA_RAPID_NOTIFICATION_BOOL

Controls if the device should automatically notify the user when rapid cellular data usage is observed. When set to `false` the carrier is expected to have implemented their own notification mechanism. `true` by default.

Constant Value: "data_rapid_notification_bool"

### KEY_DATA_SWITCH_VALIDATION_TIMEOUT_LONG

    public static final String KEY_DATA_SWITCH_VALIDATION_TIMEOUT_LONG

Upon data switching between subscriptions within a carrier group, if switch depends on validation result, this value defines customized value of how long we wait for validation success before we fail and revoke the switch. Time out is in milliseconds.

Constant Value: "data_switch_validation_timeout_long"

### KEY_DATA_WARNING_NOTIFICATION_BOOL

    public static final String KEY_DATA_WARNING_NOTIFICATION_BOOL

Controls if the device should automatically notify the user as they reach their cellular data warning. When set to `false` the carrier is expected to have implemented their own notification mechanism. `true` by default.

Constant Value: "data_warning_notification_bool"

### KEY_DATA_WARNING_THRESHOLD_BYTES_LONG

    public static final String KEY_DATA_WARNING_THRESHOLD_BYTES_LONG

Controls the data usage warning.

If the user uses more than this amount of data in their billing cycle, as defined by `KEY_MONTHLY_DATA_CYCLE_DAY_INT`, the user will be alerted about the usage. If the value is set to `DATA_CYCLE_THRESHOLD_DISABLED`, the data usage warning will be disabled.

This setting may be overridden by explicit user choice. By default, `DATA_CYCLE_USE_PLATFORM_DEFAULT` will be used.

Constant Value: "data_warning_threshold_bytes_long"

### KEY_DEFAULT_SIM_CALL_MANAGER_STRING

    public static final String KEY_DEFAULT_SIM_CALL_MANAGER_STRING

The default sim call manager to use when the default dialer doesn't implement one. A sim call manager can control and route outgoing and incoming phone calls, even if they're placed using another connection service (PSTN, for example).

Constant Value: "default_sim_call_manager_string"

### KEY_DEFAULT_VM_NUMBER_ROAMING_AND_IMS_UNREGISTERED_STRING

    public static final String KEY_DEFAULT_VM_NUMBER_ROAMING_AND_IMS_UNREGISTERED_STRING

Where there is no preloaded voicemail number on a SIM card, specifies the carrier's default voicemail number while the device is both roaming and not registered for IMS. When empty string, no default voicemail number is specified for roaming network and unregistered state in IMS.

Constant Value: "default_vm_number_roaming_and_ims_unregistered_string"

### KEY_DEFAULT_VM_NUMBER_STRING

    public static final String KEY_DEFAULT_VM_NUMBER_STRING

Where there is no preloaded voicemail number on a SIM card, specifies the carrier's default voicemail number. When empty string, no default voicemail number is specified.

Constant Value: "default_vm_number_string"

### KEY_DIAL_STRING_REPLACE_STRING_ARRAY

    public static final String KEY_DIAL_STRING_REPLACE_STRING_ARRAY

Specifies a map from dialstrings to replacements for roaming network service numbers which cannot be replaced on the carrier side.

Individual entries have the format: [dialstring to replace]:[replacement]

Constant Value: "dial_string_replace_string_array"

### KEY_DISABLE_CDMA_ACTIVATION_CODE_BOOL

    public static final String KEY_DISABLE_CDMA_ACTIVATION_CODE_BOOL

Disables dialing "*228" (OTASP provisioning) on CDMA carriers where it is not supported or is potentially harmful by locking the SIM to 3G.

Constant Value: "disable_cdma_activation_code_bool"

### KEY_DISABLE_CHARGE_INDICATION_BOOL

    public static final String KEY_DISABLE_CHARGE_INDICATION_BOOL

The flag to disable the popup dialog which warns the user of data charges.

Constant Value: "disable_charge_indication_bool"

### KEY_DISABLE_SUPPLEMENTARY_SERVICES_IN_AIRPLANE_MODE_BOOL

    public static final String KEY_DISABLE_SUPPLEMENTARY_SERVICES_IN_AIRPLANE_MODE_BOOL

Boolean indicating the Supplementary Services(SS) is disable when airplane mode on in the Call Settings menu. `true`: SS is disable when airplane mode on. `false`: SS is enable when airplane mode on. The default value for this key is `false`

Constant Value: "disable_supplementary_services_in_airplane_mode_bool"

### KEY_DISCONNECT_CAUSE_PLAY_BUSYTONE_INT_ARRAY

    public static final String KEY_DISCONNECT_CAUSE_PLAY_BUSYTONE_INT_ARRAY

DisconnectCause array to play busy tone. Value should be array of `DisconnectCause`.

Constant Value: "disconnect_cause_play_busytone_int_array"

### KEY_DISPLAY_HD_AUDIO_PROPERTY_BOOL

    public static final String KEY_DISPLAY_HD_AUDIO_PROPERTY_BOOL

Determines whether High Definition audio property is displayed in the dialer UI. If `false`, remove the HD audio property from the connection so that HD audio related UI is not displayed. If `true`, keep HD audio property as it is configured.

Constant Value: "display_hd_audio_property_bool"

### KEY_DROP_VIDEO_CALL_WHEN_ANSWERING_AUDIO_CALL_BOOL

    public static final String KEY_DROP_VIDEO_CALL_WHEN_ANSWERING_AUDIO_CALL_BOOL

When `true`, if the user is in an ongoing video call over WIFI and answers an incoming audio call, the video call will be disconnected before the audio call is answered. This is in contrast to the usual expected behavior where a foreground video call would be put into the background and held when an incoming audio call is answered.

Constant Value: "drop_video_call_when_answering_audio_call_bool"

### KEY_DTMF_TYPE_ENABLED_BOOL

    public static final String KEY_DTMF_TYPE_ENABLED_BOOL

Flag indicating if dtmf tone type is enabled

Constant Value: "dtmf_type_enabled_bool"

### KEY_DURATION_BLOCKING_DISABLED_AFTER_EMERGENCY_INT

    public static final String KEY_DURATION_BLOCKING_DISABLED_AFTER_EMERGENCY_INT

The duration in seconds that platform call and message blocking is disabled after the user contacts emergency services. Platform considers values for below cases: 1) 0 <= VALUE <= 604800(one week): the value will be used as the duration directly. 2) VALUE > 604800(one week): will use the default value as duration instead. 3) VALUE < 0: block will be disabled forever until user re-eanble block manually, the suggested value to disable forever is -1. See `android.provider.BlockedNumberContract#notifyEmergencyContact(Context)` See `android.provider.BlockedNumberContract#isBlocked(Context, String)`.

Constant Value: "duration_blocking_disabled_after_emergency_int"

### KEY_EDITABLE_ENHANCED_4G_LTE_BOOL

    public static final String KEY_EDITABLE_ENHANCED_4G_LTE_BOOL

Determine whether user can toggle Enhanced 4G LTE Mode in Settings.

Constant Value: "editable_enhanced_4g_lte_bool"

### KEY_EDITABLE_VOICEMAIL_NUMBER_BOOL

    public static final String KEY_EDITABLE_VOICEMAIL_NUMBER_BOOL

Since the default voicemail number is empty, if a SIM card does not have a voicemail number available the user cannot use voicemail. This flag allows the user to edit the voicemail number in such cases, and is false by default.

Constant Value: "editable_voicemail_number_bool"

### KEY_EDITABLE_VOICEMAIL_NUMBER_SETTING_BOOL

    public static final String KEY_EDITABLE_VOICEMAIL_NUMBER_SETTING_BOOL

Determine whether user can edit voicemail number in Settings.

Constant Value: "editable_voicemail_number_setting_bool"

### KEY_EDITABLE_WFC_MODE_BOOL

    public static final String KEY_EDITABLE_WFC_MODE_BOOL

Determine whether user can switch Wi-Fi preferred or Cellular preferred in calling preference. Some operators support Wi-Fi Calling only, not VoLTE. They don't need "Cellular preferred" option. In this case, set uneditable attribute for preferred preference.

Constant Value: "editable_wfc_mode_bool"

### KEY_EDITABLE_WFC_ROAMING_MODE_BOOL

    public static final String KEY_EDITABLE_WFC_ROAMING_MODE_BOOL

Determine whether user can change Wi-Fi Calling preference in roaming. `false` - roaming preference cannot be changed by user independently. If `KEY_USE_WFC_HOME_NETWORK_MODE_IN_ROAMING_NETWORK_BOOL` is false, `KEY_CARRIER_DEFAULT_WFC_IMS_ROAMING_MODE_INT` is used as the default value. If `KEY_USE_WFC_HOME_NETWORK_MODE_IN_ROAMING_NETWORK_BOOL` is true, roaming preference is the same as home preference and `KEY_CARRIER_DEFAULT_WFC_IMS_MODE_INT` is used as the default value. `true` - roaming preference can be changed by user independently if `KEY_USE_WFC_HOME_NETWORK_MODE_IN_ROAMING_NETWORK_BOOL` is false. If `KEY_USE_WFC_HOME_NETWORK_MODE_IN_ROAMING_NETWORK_BOOL` is true, this configuration is ignored and roaming preference cannot be changed.

Constant Value: "editable_wfc_roaming_mode_bool"

### KEY_EMERGENCY_NOTIFICATION_DELAY_INT

    public static final String KEY_EMERGENCY_NOTIFICATION_DELAY_INT

Time delay (in ms) after which we show the notification for emergency calls, while the device is registered over WFC. Default value is -1, which indicates that this notification is not pertinent for a particular carrier. We've added a delay to prevent false positives.

Constant Value: "emergency_notification_delay_int"

### KEY_EMERGENCY_NUMBER_PREFIX_STRING_ARRAY

    public static final String KEY_EMERGENCY_NUMBER_PREFIX_STRING_ARRAY

Indicates zero or more emergency number prefix(es), because some carrier requires if users dial an emergency number address with a specific prefix, the combination of the prefix and the address is also a valid emergency number to dial. For example, an emergency number prefix is 318, and the emergency number is 911. Both 318911 and 911 can be dialed by users for emergency call. An empty array of string indicates that current carrier does not have this requirement.

Constant Value: "emergency_number_prefix_string_array"

### KEY_ENABLE_DIALER_KEY_VIBRATION_BOOL

    public static final String KEY_ENABLE_DIALER_KEY_VIBRATION_BOOL

If true, enable vibration (haptic feedback) for key presses in the EmergencyDialer activity. The pattern is set on a per-platform basis using config_virtualKeyVibePattern. To be consistent with the regular Dialer, this value should agree with the corresponding values from config.xml under apps/Contacts.

Constant Value: "enable_dialer_key_vibration_bool"

### KEY_ENHANCED_4G_LTE_ON_BY_DEFAULT_BOOL

    public static final String KEY_ENHANCED_4G_LTE_ON_BY_DEFAULT_BOOL

Sets the default state for the "Enhanced 4G LTE" or "Advanced Calling" mode toggle set by the user. When this is `true`, this mode by default is on, otherwise if `false`, this mode by default is off.

Constant Value: "enhanced_4g_lte_on_by_default_bool"

### KEY_ENHANCED_4G_LTE_TITLE_VARIANT_INT

    public static final String KEY_ENHANCED_4G_LTE_TITLE_VARIANT_INT

The index indicates the carrier specified title string of Enhanced 4G LTE Mode settings. Default value is 0, which indicates the default title string.

Constant Value: "enhanced_4g_lte_title_variant_int"

### KEY_FORCE_HOME_NETWORK_BOOL

    public static final String KEY_FORCE_HOME_NETWORK_BOOL

Override the platform's notion of a network operator being considered non roaming. If true all networks are considered as home network a.k.a non-roaming. When false, the 2 pairs of CMDA and GSM roaming/non-roaming arrays are consulted.

See also:

- `KEY_GSM_ROAMING_NETWORKS_STRING_ARRAY`
- `KEY_GSM_NONROAMING_NETWORKS_STRING_ARRAY`
- `KEY_CDMA_ROAMING_NETWORKS_STRING_ARRAY`
- `KEY_CDMA_NONROAMING_NETWORKS_STRING_ARRAY`

Constant Value: "force_home_network_bool"

### KEY_GSM_DTMF_TONE_DELAY_INT

    public static final String KEY_GSM_DTMF_TONE_DELAY_INT

Specifies the amount of gap to be added in millis between postdial DTMF tones. When a non-zero value is specified, the UE shall wait for the specified amount of time before it sends out successive DTMF tones on the network.

Constant Value: "gsm_dtmf_tone_delay_int"

### KEY_GSM_NONROAMING_NETWORKS_STRING_ARRAY

    public static final String KEY_GSM_NONROAMING_NETWORKS_STRING_ARRAY

Override the platform's notion of a network operator being considered not roaming. Value is string array of MCCMNCs to be considered not roaming for 3GPP RATs.

Constant Value: "gsm_nonroaming_networks_string_array"

### KEY_GSM_ROAMING_NETWORKS_STRING_ARRAY

    public static final String KEY_GSM_ROAMING_NETWORKS_STRING_ARRAY

Override the platform's notion of a network operator being considered roaming. Value is string array of MCCMNCs to be considered roaming for 3GPP RATs.

Constant Value: "gsm_roaming_networks_string_array"

### KEY_HAS_IN_CALL_NOISE_SUPPRESSION_BOOL

    public static final String KEY_HAS_IN_CALL_NOISE_SUPPRESSION_BOOL

Determines if device implements a noise suppression device for in call audio.

Constant Value: "has_in_call_noise_suppression_bool"

### KEY_HIDE_CARRIER_NETWORK_SETTINGS_BOOL

    public static final String KEY_HIDE_CARRIER_NETWORK_SETTINGS_BOOL

Control whether users can reach the carrier portions of Cellular Network Settings.

Constant Value: "hide_carrier_network_settings_bool"

### KEY_HIDE_ENHANCED_4G_LTE_BOOL

    public static final String KEY_HIDE_ENHANCED_4G_LTE_BOOL

Determines whether the Enhanced 4G LTE toggle will be shown in the settings. When this option is `true`, the toggle will be hidden regardless of whether the device and carrier supports 4G LTE or not.

Constant Value: "hide_enhanced_4g_lte_bool"

### KEY_HIDE_IMS_APN_BOOL

    public static final String KEY_HIDE_IMS_APN_BOOL

Determine whether IMS apn can be shown.

Constant Value: "hide_ims_apn_bool"

### KEY_HIDE_LTE_PLUS_DATA_ICON_BOOL

    public static final String KEY_HIDE_LTE_PLUS_DATA_ICON_BOOL

Boolean indicating if LTE+ icon should be shown if available.

Constant Value: "hide_lte_plus_data_icon_bool"

### KEY_HIDE_PREFERRED_NETWORK_TYPE_BOOL

    public static final String KEY_HIDE_PREFERRED_NETWORK_TYPE_BOOL

Determine whether preferred network type can be shown.

Constant Value: "hide_preferred_network_type_bool"

### KEY_HIDE_PRESET_APN_DETAILS_BOOL

    public static final String KEY_HIDE_PRESET_APN_DETAILS_BOOL

Flag to hide Preset APN details. If true, user cannot enter ApnEditor view of Preset APN, and cannot view details of the APN. If false, user can enter ApnEditor view of Preset APN. Default value is false.

Constant Value: "hide_preset_apn_details_bool"

### KEY_HIDE_SIM_LOCK_SETTINGS_BOOL

    public static final String KEY_HIDE_SIM_LOCK_SETTINGS_BOOL

Control whether users can reach the SIM lock settings.

Constant Value: "hide_sim_lock_settings_bool"

### KEY_IGNORE_DATA_ENABLED_CHANGED_FOR_VIDEO_CALLS

    public static final String KEY_IGNORE_DATA_ENABLED_CHANGED_FOR_VIDEO_CALLS

When `true`, changes to the mobile data enabled switch will not cause the VT registration state to change. That is, turning on or off mobile data will not cause VT to be enabled or disabled. When `false`, disabling mobile data will cause VT to be de-registered.

Constant Value: "ignore_data_enabled_changed_for_video_calls"

### KEY_IGNORE_RTT_MODE_SETTING_BOOL

    public static final String KEY_IGNORE_RTT_MODE_SETTING_BOOL

When `true`, the phone will always tell the IMS stack to keep RTT enabled and determine on a per-call basis (based on extras from the dialer app) whether a call should be an RTT call or not. When `false`, the old behavior is used, where the toggle in accessibility settings is used to set the IMS stack's RTT enabled state.

Constant Value: "ignore_rtt_mode_setting_bool"

### KEY_IGNORE_SIM_NETWORK_LOCKED_EVENTS_BOOL

    public static final String KEY_IGNORE_SIM_NETWORK_LOCKED_EVENTS_BOOL

Flag indicating whether the Phone app should ignore EVENT_SIM_NETWORK_LOCKED events from the Sim. If true, this will prevent the IccNetworkDepersonalizationPanel from being shown, and effectively disable the "Sim network lock" feature.

Constant Value: "ignore_sim_network_locked_events_bool"

### KEY_IMS_CONFERENCE_SIZE_LIMIT_INT

    public static final String KEY_IMS_CONFERENCE_SIZE_LIMIT_INT

Determines the maximum number of participants the carrier supports for a conference call. This number is exclusive of the current device. A conference between 3 devices, for example, would have a size limit of 2 participants. Enforced when `KEY_IS_IMS_CONFERENCE_SIZE_ENFORCED_BOOL` is `true`.

Constant Value: "ims_conference_size_limit_int"

### KEY_IMS_DTMF_TONE_DELAY_INT

    public static final String KEY_IMS_DTMF_TONE_DELAY_INT

Specifies the amount of gap to be added in millis between DTMF tones. When a non-zero value is specified, the UE shall wait for the specified amount of time before it sends out successive DTMF tones on the network.

Constant Value: "ims_dtmf_tone_delay_int"

### KEY_IS_IMS_CONFERENCE_SIZE_ENFORCED_BOOL

    public static final String KEY_IS_IMS_CONFERENCE_SIZE_ENFORCED_BOOL

Determines whether a maximum size limit for IMS conference calls is enforced on the device. When `true`, IMS conference calls will be limited to at most `KEY_IMS_CONFERENCE_SIZE_LIMIT_INT` participants. When `false`, no attempt is made to limit the number of participants in a conference (the carrier will raise an error when an attempt is made to merge too many participants into a conference).

Constant Value: "is_ims_conference_size_enforced_bool"

### KEY_LTE_ENABLED_BOOL

    public static final String KEY_LTE_ENABLED_BOOL

Boolean to decide whether LTE is enabled.

Constant Value: "lte_enabled_bool"

### KEY_LTE_RSRQ_THRESHOLDS_INT_ARRAY

    public static final String KEY_LTE_RSRQ_THRESHOLDS_INT_ARRAY

A list of 4 customized LTE Reference Signal Received Quality (RSRQ) thresholds. Reference: TS 136.133 v12.6.0 section 9.1.7 - RSRQ Measurement Report Mapping. 4 threshold integers must be within the boundaries [-34 dB, 3 dB], and the levels are: "NONE: [-34, threshold1)" "POOR: [threshold1, threshold2)" "MODERATE: [threshold2, threshold3)" "GOOD: [threshold3, threshold4)" "EXCELLENT: [threshold4, 3]" This key is considered invalid if the format is violated. If the key is invalid or not configured, a default value set will apply.

Constant Value: "lte_rsrq_thresholds_int_array"

### KEY_LTE_RSSNR_THRESHOLDS_INT_ARRAY

    public static final String KEY_LTE_RSSNR_THRESHOLDS_INT_ARRAY

A list of 4 customized LTE Reference Signal Signal to Noise Ratio (RSSNR) thresholds. 4 threshold integers must be within the boundaries [-20 dB, 30 dB], and the levels are: "NONE: [-20, threshold1)" "POOR: [threshold1, threshold2)" "MODERATE: [threshold2, threshold3)" "GOOD: [threshold3, threshold4)" "EXCELLENT: [threshold4, 30]" This key is considered invalid if the format is violated. If the key is invalid or not configured, a default value set will apply.

Constant Value: "lte_rssnr_thresholds_int_array"

### KEY_MDN_IS_ADDITIONAL_VOICEMAIL_NUMBER_BOOL

    public static final String KEY_MDN_IS_ADDITIONAL_VOICEMAIL_NUMBER_BOOL

When checking if a given number is the voicemail number, if this flag is true then in addition to comparing the given number to the voicemail number, we also compare it to the mdn. If this flag is false, the given number is only compared to the voicemail number. By default this value is false.

Constant Value: "mdn_is_additional_voicemail_number_bool"

### KEY_MMS_ALIAS_ENABLED_BOOL

    public static final String KEY_MMS_ALIAS_ENABLED_BOOL

Constant Value: "aliasEnabled"

### KEY_MMS_ALIAS_MAX_CHARS_INT

    public static final String KEY_MMS_ALIAS_MAX_CHARS_INT

Constant Value: "aliasMaxChars"

### KEY_MMS_ALIAS_MIN_CHARS_INT

    public static final String KEY_MMS_ALIAS_MIN_CHARS_INT

Constant Value: "aliasMinChars"

### KEY_MMS_ALLOW_ATTACH_AUDIO_BOOL

    public static final String KEY_MMS_ALLOW_ATTACH_AUDIO_BOOL

Constant Value: "allowAttachAudio"

### KEY_MMS_APPEND_TRANSACTION_ID_BOOL

    public static final String KEY_MMS_APPEND_TRANSACTION_ID_BOOL

Constant Value: "enabledTransID"

### KEY_MMS_CLOSE_CONNECTION_BOOL

    public static final String KEY_MMS_CLOSE_CONNECTION_BOOL

If true, add "Connection: close" header to MMS HTTP requests so the connection is immediately closed (disabling keep-alive).

Constant Value: "mmsCloseConnection"

### KEY_MMS_EMAIL_GATEWAY_NUMBER_STRING

    public static final String KEY_MMS_EMAIL_GATEWAY_NUMBER_STRING

Constant Value: "emailGatewayNumber"

### KEY_MMS_GROUP_MMS_ENABLED_BOOL

    public static final String KEY_MMS_GROUP_MMS_ENABLED_BOOL

Constant Value: "enableGroupMms"

### KEY_MMS_HTTP_PARAMS_STRING

    public static final String KEY_MMS_HTTP_PARAMS_STRING

Constant Value: "httpParams"

### KEY_MMS_HTTP_SOCKET_TIMEOUT_INT

    public static final String KEY_MMS_HTTP_SOCKET_TIMEOUT_INT

Constant Value: "httpSocketTimeout"

### KEY_MMS_MAX_IMAGE_HEIGHT_INT

    public static final String KEY_MMS_MAX_IMAGE_HEIGHT_INT

Constant Value: "maxImageHeight"

### KEY_MMS_MAX_IMAGE_WIDTH_INT

    public static final String KEY_MMS_MAX_IMAGE_WIDTH_INT

Constant Value: "maxImageWidth"

### KEY_MMS_MAX_MESSAGE_SIZE_INT

    public static final String KEY_MMS_MAX_MESSAGE_SIZE_INT

Constant Value: "maxMessageSize"

### KEY_MMS_MESSAGE_TEXT_MAX_SIZE_INT

    public static final String KEY_MMS_MESSAGE_TEXT_MAX_SIZE_INT

Constant Value: "maxMessageTextSize"

### KEY_MMS_MMS_DELIVERY_REPORT_ENABLED_BOOL

    public static final String KEY_MMS_MMS_DELIVERY_REPORT_ENABLED_BOOL

Constant Value: "enableMMSDeliveryReports"

### KEY_MMS_MMS_ENABLED_BOOL

    public static final String KEY_MMS_MMS_ENABLED_BOOL

Constant Value: "enabledMMS"

### KEY_MMS_MMS_READ_REPORT_ENABLED_BOOL

    public static final String KEY_MMS_MMS_READ_REPORT_ENABLED_BOOL

Constant Value: "enableMMSReadReports"

### KEY_MMS_MULTIPART_SMS_ENABLED_BOOL

    public static final String KEY_MMS_MULTIPART_SMS_ENABLED_BOOL

Constant Value: "enableMultipartSMS"

### KEY_MMS_NAI_SUFFIX_STRING

    public static final String KEY_MMS_NAI_SUFFIX_STRING

Constant Value: "naiSuffix"

### KEY_MMS_NOTIFY_WAP_MMSC_ENABLED_BOOL

    public static final String KEY_MMS_NOTIFY_WAP_MMSC_ENABLED_BOOL

Constant Value: "enabledNotifyWapMMSC"

### KEY_MMS_RECIPIENT_LIMIT_INT

    public static final String KEY_MMS_RECIPIENT_LIMIT_INT

Constant Value: "recipientLimit"

### KEY_MMS_SEND_MULTIPART_SMS_AS_SEPARATE_MESSAGES_BOOL

    public static final String KEY_MMS_SEND_MULTIPART_SMS_AS_SEPARATE_MESSAGES_BOOL

Constant Value: "sendMultipartSmsAsSeparateMessages"

### KEY_MMS_SHOW_CELL_BROADCAST_APP_LINKS_BOOL

    public static final String KEY_MMS_SHOW_CELL_BROADCAST_APP_LINKS_BOOL

Constant Value: "config_cellBroadcastAppLinks"

### KEY_MMS_SMS_DELIVERY_REPORT_ENABLED_BOOL

    public static final String KEY_MMS_SMS_DELIVERY_REPORT_ENABLED_BOOL

Constant Value: "enableSMSDeliveryReports"

### KEY_MMS_SMS_TO_MMS_TEXT_LENGTH_THRESHOLD_INT

    public static final String KEY_MMS_SMS_TO_MMS_TEXT_LENGTH_THRESHOLD_INT

Constant Value: "smsToMmsTextLengthThreshold"

### KEY_MMS_SMS_TO_MMS_TEXT_THRESHOLD_INT

    public static final String KEY_MMS_SMS_TO_MMS_TEXT_THRESHOLD_INT

Constant Value: "smsToMmsTextThreshold"

### KEY_MMS_SUBJECT_MAX_LENGTH_INT

    public static final String KEY_MMS_SUBJECT_MAX_LENGTH_INT

Constant Value: "maxSubjectLength"

### KEY_MMS_SUPPORT_HTTP_CHARSET_HEADER_BOOL

    public static final String KEY_MMS_SUPPORT_HTTP_CHARSET_HEADER_BOOL

Constant Value: "supportHttpCharsetHeader"

### KEY_MMS_SUPPORT_MMS_CONTENT_DISPOSITION_BOOL

    public static final String KEY_MMS_SUPPORT_MMS_CONTENT_DISPOSITION_BOOL

Constant Value: "supportMmsContentDisposition"

### KEY_MMS_UA_PROF_TAG_NAME_STRING

    public static final String KEY_MMS_UA_PROF_TAG_NAME_STRING

Constant Value: "uaProfTagName"

### KEY_MMS_UA_PROF_URL_STRING

    public static final String KEY_MMS_UA_PROF_URL_STRING

Constant Value: "uaProfUrl"

### KEY_MMS_USER_AGENT_STRING

    public static final String KEY_MMS_USER_AGENT_STRING

Constant Value: "userAgent"

### KEY_MONTHLY_DATA_CYCLE_DAY_INT

    public static final String KEY_MONTHLY_DATA_CYCLE_DAY_INT

The day of the month (1-31) on which the data cycle rolls over.

If the current month does not have this day, the cycle will roll over at the start of the next month.

This setting may be still overridden by explicit user choice. By default, `DATA_CYCLE_USE_PLATFORM_DEFAULT` will be used.

Constant Value: "monthly_data_cycle_day_int"

### KEY_ONLY_AUTO_SELECT_IN_HOME_NETWORK_BOOL

    public static final String KEY_ONLY_AUTO_SELECT_IN_HOME_NETWORK_BOOL

Only allow auto selection in Advanced Network Settings when in home network. Manual selection is allowed when in roaming network.

Constant Value: "only_auto_select_in_home_network"

### KEY_ONLY_SINGLE_DC_ALLOWED_INT_ARRAY

    public static final String KEY_ONLY_SINGLE_DC_ALLOWED_INT_ARRAY

List of RIL radio technologies (See `ServiceState` `RIL_RADIO_TECHNOLOGY_*` constants) which support only a single data connection at a time. Some carriers do not support multiple pdp on UMTS.

Constant Value: "only_single_dc_allowed_int_array"

### KEY_OPERATOR_SELECTION_EXPAND_BOOL

    public static final String KEY_OPERATOR_SELECTION_EXPAND_BOOL

Control whether users can choose a network operator.

Constant Value: "operator_selection_expand_bool"

### KEY_OPPORTUNISTIC_NETWORK_BACKOFF_TIME_LONG

    public static final String KEY_OPPORTUNISTIC_NETWORK_BACKOFF_TIME_LONG

Controls back off time in milli seconds for switching back to opportunistic subscription. This time will be added to `CarrierConfigManager#KEY_OPPORTUNISTIC_NETWORK_DATA_SWITCH_HYSTERESIS_TIME_LONG` to determine hysteresis time if there is ping pong situation (determined by system app or 1st party app) between primary and opportunistic subscription. Ping ping situation is defined in #KEY_OPPORTUNISTIC_NETWORK_PING_PONG_TIME_LONG. If ping pong situation continuous #KEY_OPPORTUNISTIC_NETWORK_BACKOFF_TIME_LONG will be added to previously determined hysteresis time.

Constant Value: "opportunistic_network_backoff_time_long"

### KEY_OPPORTUNISTIC_NETWORK_DATA_SWITCH_EXIT_HYSTERESIS_TIME_LONG

    public static final String KEY_OPPORTUNISTIC_NETWORK_DATA_SWITCH_EXIT_HYSTERESIS_TIME_LONG

Controls hysteresis time in milli seconds for which OpportunisticNetworkService will wait before switching data from opportunistic network to primary network.

Constant Value: "opportunistic_network_data_switch_exit_hysteresis_time_long"

### KEY_OPPORTUNISTIC_NETWORK_DATA_SWITCH_HYSTERESIS_TIME_LONG

    public static final String KEY_OPPORTUNISTIC_NETWORK_DATA_SWITCH_HYSTERESIS_TIME_LONG

Controls hysteresis time in milli seconds for which OpportunisticNetworkService will wait before switching data to an opportunistic network.

Constant Value: "opportunistic_network_data_switch_hysteresis_time_long"

### KEY_OPPORTUNISTIC_NETWORK_ENTRY_OR_EXIT_HYSTERESIS_TIME_LONG

    public static final String KEY_OPPORTUNISTIC_NETWORK_ENTRY_OR_EXIT_HYSTERESIS_TIME_LONG

Controls hysteresis time in milli seconds for which OpportunisticNetworkService will wait before attaching to a network.

Constant Value: "opportunistic_network_entry_or_exit_hysteresis_time_long"

### KEY_OPPORTUNISTIC_NETWORK_ENTRY_THRESHOLD_BANDWIDTH_INT

    public static final String KEY_OPPORTUNISTIC_NETWORK_ENTRY_THRESHOLD_BANDWIDTH_INT

Controls bandwidth threshold in Kbps at which OpportunisticNetworkService will decide whether the opportunistic network is good enough for internet data.

Constant Value: "opportunistic_network_entry_threshold_bandwidth_int"

### KEY_OPPORTUNISTIC_NETWORK_ENTRY_THRESHOLD_RSRP_INT

    public static final String KEY_OPPORTUNISTIC_NETWORK_ENTRY_THRESHOLD_RSRP_INT

Controls RSRP threshold at which OpportunisticNetworkService will decide whether the opportunistic network is good enough for internet data.

Constant Value: "opportunistic_network_entry_threshold_rsrp_int"

### KEY_OPPORTUNISTIC_NETWORK_ENTRY_THRESHOLD_RSSNR_INT

    public static final String KEY_OPPORTUNISTIC_NETWORK_ENTRY_THRESHOLD_RSSNR_INT

Controls RSSNR threshold at which OpportunisticNetworkService will decide whether the opportunistic network is good enough for internet data.

Constant Value: "opportunistic_network_entry_threshold_rssnr_int"

### KEY_OPPORTUNISTIC_NETWORK_EXIT_THRESHOLD_RSRP_INT

    public static final String KEY_OPPORTUNISTIC_NETWORK_EXIT_THRESHOLD_RSRP_INT

Controls RSRP threshold below which OpportunisticNetworkService will decide whether the opportunistic network available is not good enough for internet data.

Constant Value: "opportunistic_network_exit_threshold_rsrp_int"

### KEY_OPPORTUNISTIC_NETWORK_EXIT_THRESHOLD_RSSNR_INT

    public static final String KEY_OPPORTUNISTIC_NETWORK_EXIT_THRESHOLD_RSSNR_INT

Controls RSSNR threshold below which OpportunisticNetworkService will decide whether the opportunistic network available is not good enough for internet data.

Constant Value: "opportunistic_network_exit_threshold_rssnr_int"

### KEY_OPPORTUNISTIC_NETWORK_MAX_BACKOFF_TIME_LONG

    public static final String KEY_OPPORTUNISTIC_NETWORK_MAX_BACKOFF_TIME_LONG

Controls the max back off time in milli seconds for switching back to opportunistic subscription. This time will be the max hysteresis that can be determined irrespective of there is continuous ping pong situation or not as described in #KEY_OPPORTUNISTIC_NETWORK_PING_PONG_TIME_LONG and #KEY_OPPORTUNISTIC_NETWORK_BACKOFF_TIME_LONG.

Constant Value: "opportunistic_network_max_backoff_time_long"

### KEY_OPPORTUNISTIC_NETWORK_PING_PONG_TIME_LONG

    public static final String KEY_OPPORTUNISTIC_NETWORK_PING_PONG_TIME_LONG

Controls the ping pong determination of opportunistic network. If opportunistic network is determined as out of service or below #KEY_OPPORTUNISTIC_NETWORK_EXIT_THRESHOLD_RSRP_INT or #KEY_OPPORTUNISTIC_NETWORK_EXIT_THRESHOLD_RSSNR_INT within #KEY_OPPORTUNISTIC_NETWORK_PING_PONG_TIME_LONG of switching to opportunistic network, it will be determined as ping pong situation by system app or 1st party app.

Constant Value: "opportunistic_network_ping_pong_time_long"

### KEY_PING_TEST_BEFORE_DATA_SWITCH_BOOL

    public static final String KEY_PING_TEST_BEFORE_DATA_SWITCH_BOOL

Controls whether to do ping test before switching data to opportunistic network. This carrier config is used to disable this feature.

Constant Value: "ping_test_before_data_switch_bool"

### KEY_PREFER_2G_BOOL

    public static final String KEY_PREFER_2G_BOOL

Used in Cellular Network Settings for preferred network type.

Constant Value: "prefer_2g_bool"

### KEY_PREVENT_CLIR_ACTIVATION_AND_DEACTIVATION_CODE_BOOL

    public static final String KEY_PREVENT_CLIR_ACTIVATION_AND_DEACTIVATION_CODE_BOOL

Flag specifying whether to prevent sending CLIR activation("*31#") and deactivation("#31#") code only without dialing number. When `true`, these are prevented, `false` otherwise.

Constant Value: "prevent_clir_activation_and_deactivation_code_bool"

### KEY_RADIO_RESTART_FAILURE_CAUSES_INT_ARRAY

    public static final String KEY_RADIO_RESTART_FAILURE_CAUSES_INT_ARRAY

A list of failure cause codes that will trigger a modem restart when telephony receiving one of those during data setup. The cause codes are defined in 3GPP TS 24.008 Annex I and TS 24.301 Annex B.

Constant Value: "radio_restart_failure_causes_int_array"

### KEY_RCS_CONFIG_SERVER_URL_STRING

    public static final String KEY_RCS_CONFIG_SERVER_URL_STRING

The RCS configuration server URL. This URL is used to initiate RCS provisioning.

Constant Value: "rcs_config_server_url_string"

### KEY_READ_ONLY_APN_FIELDS_STRING_ARRAY

    public static final String KEY_READ_ONLY_APN_FIELDS_STRING_ARRAY

APN fields that user is not allowed to modify.

Constant Value: "read_only_apn_fields_string_array"

### KEY_READ_ONLY_APN_TYPES_STRING_ARRAY

    public static final String KEY_READ_ONLY_APN_TYPES_STRING_ARRAY

APN types that user is not allowed to modify.

Constant Value: "read_only_apn_types_string_array"

### KEY_REQUIRE_ENTITLEMENT_CHECKS_BOOL

    public static final String KEY_REQUIRE_ENTITLEMENT_CHECKS_BOOL

Flag to require or skip entitlement checks. If true, entitlement checks will be executed if device has been configured for it, If false, entitlement checks will be skipped.

Constant Value: "require_entitlement_checks_bool"

### KEY_RESTART_RADIO_ON_PDP_FAIL_REGULAR_DEACTIVATION_BOOL

    public static final String KEY_RESTART_RADIO_ON_PDP_FAIL_REGULAR_DEACTIVATION_BOOL

This constant is deprecated.
Use `KEY_RADIO_RESTART_FAILURE_CAUSES_INT_ARRAY` instead

Flag indicating whether radio is to be restarted on error PDP_FAIL_REGULAR_DEACTIVATION This is false by default.

Constant Value: "restart_radio_on_pdp_fail_regular_deactivation_bool"

### KEY_RTT_SUPPORTED_BOOL

    public static final String KEY_RTT_SUPPORTED_BOOL

Flag indicating whether the carrier supports RTT over IMS.

Constant Value: "rtt_supported_bool"

### KEY_SHOW_4G_FOR_3G_DATA_ICON_BOOL

    public static final String KEY_SHOW_4G_FOR_3G_DATA_ICON_BOOL

Boolean indicating if default data account should show 4G icon when in 3G.

Constant Value: "show_4g_for_3g_data_icon_bool"

### KEY_SHOW_4G_FOR_LTE_DATA_ICON_BOOL

    public static final String KEY_SHOW_4G_FOR_LTE_DATA_ICON_BOOL

Boolean indicating if default data account should show LTE or 4G icon.

Constant Value: "show_4g_for_lte_data_icon_bool"

### KEY_SHOW_APN_SETTING_CDMA_BOOL

    public static final String KEY_SHOW_APN_SETTING_CDMA_BOOL

Show APN Settings for some CDMA carriers

Constant Value: "show_apn_setting_cdma_bool"

### KEY_SHOW_BLOCKING_PAY_PHONE_OPTION_BOOL

    public static final String KEY_SHOW_BLOCKING_PAY_PHONE_OPTION_BOOL

Flag specifying whether to show blocking pay phone option in blocked numbers screen. Only show the option if payphone call presentation is present in the carrier's region.

Constant Value: "show_blocking_pay_phone_option_bool"

### KEY_SHOW_CALL_BLOCKING_DISABLED_NOTIFICATION_ALWAYS_BOOL

    public static final String KEY_SHOW_CALL_BLOCKING_DISABLED_NOTIFICATION_ALWAYS_BOOL

Flag specifying whether to show notification(call blocking disabled) when Enhanced Call Blocking(KEY_SUPPORT_ENHANCED_CALL_BLOCKING_BOOL) is enabled and making emergency call. When true, notification is shown always. When false, notification is shown only when any setting of "Enhanced Blocked number" is enabled.

Constant Value: "show_call_blocking_disabled_notification_always_bool"

### KEY_SHOW_CDMA_CHOICES_BOOL

    public static final String KEY_SHOW_CDMA_CHOICES_BOOL

Show cdma network mode choices 1x, 3G, global etc.

Constant Value: "show_cdma_choices_bool"

### KEY_SHOW_FORWARDED_NUMBER_BOOL

    public static final String KEY_SHOW_FORWARDED_NUMBER_BOOL

Flag specifying whether to show forwarded number on call-in-progress screen. When true, forwarded number is shown. When false, forwarded number is not shown.

Constant Value: "show_forwarded_number_bool"

### KEY_SHOW_ICCID_IN_SIM_STATUS_BOOL

    public static final String KEY_SHOW_ICCID_IN_SIM_STATUS_BOOL

Flag specifying whether ICCID is showed in SIM Status screen, default to false.

Constant Value: "show_iccid_in_sim_status_bool"

### KEY_SHOW_IMS_REGISTRATION_STATUS_BOOL

    public static final String KEY_SHOW_IMS_REGISTRATION_STATUS_BOOL

Flag specifying whether IMS registration state menu is shown in Status Info setting, default to false.

Constant Value: "show_ims_registration_status_bool"

### KEY_SHOW_ONSCREEN_DIAL_BUTTON_BOOL

    public static final String KEY_SHOW_ONSCREEN_DIAL_BUTTON_BOOL

If true, show an onscreen "Dial" button in the dialer. In practice this is used on all platforms, even the ones with hard SEND/END keys, but for maximum flexibility it's controlled by a flag here (which can be overridden on a per-product basis.)

Constant Value: "show_onscreen_dial_button_bool"

### KEY_SHOW_SIGNAL_STRENGTH_IN_SIM_STATUS_BOOL

    public static final String KEY_SHOW_SIGNAL_STRENGTH_IN_SIM_STATUS_BOOL

Flag specifying whether the `SignalStrength` is shown in the SIM Status screen. The default value is true.

Constant Value: "show_signal_strength_in_sim_status_bool"

### KEY_SHOW_VIDEO_CALL_CHARGES_ALERT_DIALOG_BOOL

    public static final String KEY_SHOW_VIDEO_CALL_CHARGES_ALERT_DIALOG_BOOL

Flag specifying whether to show an alert dialog for video call charges. By default this value is `false`.

Constant Value: "show_video_call_charges_alert_dialog_bool"

### KEY_SHOW_WFC_LOCATION_PRIVACY_POLICY_BOOL

    public static final String KEY_SHOW_WFC_LOCATION_PRIVACY_POLICY_BOOL

Determines whether wifi calling location privacy policy is shown.

Constant Value: "show_wfc_location_privacy_policy_bool"

### KEY_SIMPLIFIED_NETWORK_SETTINGS_BOOL

    public static final String KEY_SIMPLIFIED_NETWORK_SETTINGS_BOOL

Control whether users receive a simplified network settings UI and improved network selection.

Constant Value: "simplified_network_settings_bool"

### KEY_SIM_NETWORK_UNLOCK_ALLOW_DISMISS_BOOL

    public static final String KEY_SIM_NETWORK_UNLOCK_ALLOW_DISMISS_BOOL

Flag indicating whether the Phone app should provide a "Dismiss" button on the SIM network unlock screen. The default value is true. If set to false, there will be *no way* to dismiss the SIM network unlock screen if you don't enter the correct unlock code. (One important consequence: there will be no way to make an Emergency Call if your SIM is network-locked and you don't know the PIN.)

Constant Value: "sim_network_unlock_allow_dismiss_bool"

### KEY_SMS_REQUIRES_DESTINATION_NUMBER_CONVERSION_BOOL

    public static final String KEY_SMS_REQUIRES_DESTINATION_NUMBER_CONVERSION_BOOL

Determines if the carrier requires converting the destination number before sending out an SMS. Certain networks and numbering plans require different formats.

Constant Value: "sms_requires_destination_number_conversion_bool"

### KEY_SUPPORT_3GPP_CALL_FORWARDING_WHILE_ROAMING_BOOL

    public static final String KEY_SUPPORT_3GPP_CALL_FORWARDING_WHILE_ROAMING_BOOL

Indicates whether the carrier supports 3gpp call forwarding MMI codes while roaming. If false, the user will be notified that call forwarding is not available when the MMI code fails.

Constant Value: "support_3gpp_call_forwarding_while_roaming_bool"

### KEY_SUPPORT_CLIR_NETWORK_DEFAULT_BOOL

    public static final String KEY_SUPPORT_CLIR_NETWORK_DEFAULT_BOOL

Flag indicating whether to support "Network default" option in Caller ID settings for Calling Line Identification Restriction (CLIR).

Constant Value: "support_clir_network_default_bool"

### KEY_SUPPORT_CONFERENCE_CALL_BOOL

    public static final String KEY_SUPPORT_CONFERENCE_CALL_BOOL

Determines whether conference calls are supported by a carrier. When `true`, conference calling is supported, `false otherwise`.

Constant Value: "support_conference_call_bool"

### KEY_SUPPORT_EMERGENCY_SMS_OVER_IMS_BOOL

    public static final String KEY_SUPPORT_EMERGENCY_SMS_OVER_IMS_BOOL

Flag indicating whether or not sending emergency SMS messages over IMS is supported when in LTE/limited LTE (Emergency only) service mode..

Constant Value: "support_emergency_sms_over_ims_bool"

### KEY_SUPPORT_ENHANCED_CALL_BLOCKING_BOOL

    public static final String KEY_SUPPORT_ENHANCED_CALL_BLOCKING_BOOL

Determines whether to enable enhanced call blocking feature on the device. android.provider.BlockedNumberContract.SystemContract#ENHANCED_SETTING_KEY_BLOCK_UNREGISTERED android.provider.BlockedNumberContract.SystemContract#ENHANCED_SETTING_KEY_BLOCK_PRIVATE android.provider.BlockedNumberContract.SystemContract#ENHANCED_SETTING_KEY_BLOCK_PAYPHONE android.provider.BlockedNumberContract.SystemContract#ENHANCED_SETTING_KEY_BLOCK_UNKNOWN

1. For Single SIM(SS) device, it can be customized in both carrier_config_mccmnc.xml and vendor.xml.

2. For Dual SIM(DS) device, it should be customized in vendor.xml, since call blocking function is used regardless of SIM.

If `true` enable enhanced call blocking feature on the device, `false` otherwise.

Constant Value: "support_enhanced_call_blocking_bool"

### KEY_SUPPORT_IMS_CONFERENCE_EVENT_PACKAGE_BOOL

    public static final String KEY_SUPPORT_IMS_CONFERENCE_EVENT_PACKAGE_BOOL

Determines whether the IMS conference merge process supports and returns its participants data. When `true`, on merge complete, conference call would have a list of its participants returned in XML format, `false otherwise`.

Constant Value: "support_ims_conference_event_package_bool"

### KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL

    public static final String KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL

For IMS video over LTE calls, determines whether video pause signalling is supported.

Constant Value: "support_pause_ims_video_calls_bool"

### KEY_SUPPORT_SWAP_AFTER_MERGE_BOOL

    public static final String KEY_SUPPORT_SWAP_AFTER_MERGE_BOOL

After a CDMA conference call is merged, the swap button should be displayed.

Constant Value: "support_swap_after_merge_bool"

### KEY_SUPPORT_TDSCDMA_BOOL

    public static final String KEY_SUPPORT_TDSCDMA_BOOL

Boolean to decide whether TD-SCDMA is supported.

Constant Value: "support_tdscdma_bool"

### KEY_SUPPORT_TDSCDMA_ROAMING_NETWORKS_STRING_ARRAY

    public static final String KEY_SUPPORT_TDSCDMA_ROAMING_NETWORKS_STRING_ARRAY

A list of mcc/mnc that support TD-SCDMA for device when connect to the roaming network.

Constant Value: "support_tdscdma_roaming_networks_string_array"

### KEY_SWITCH_DATA_TO_PRIMARY_IF_PRIMARY_IS_OOS_BOOL

    public static final String KEY_SWITCH_DATA_TO_PRIMARY_IF_PRIMARY_IS_OOS_BOOL

Controls whether to switch data to primary from opportunistic subscription if primary is out of service. This control only affects system or 1st party app initiated data switch, but will not override data switch initiated by privileged carrier apps This carrier config is used to disable this feature.

Constant Value: "switch_data_to_primary_if_primary_is_oos_bool"

### KEY_TREAT_DOWNGRADED_VIDEO_CALLS_AS_VIDEO_CALLS_BOOL

    public static final String KEY_TREAT_DOWNGRADED_VIDEO_CALLS_AS_VIDEO_CALLS_BOOL

Flag indicating whether some telephony logic will treat a call which was formerly a video call as if it is still a video call. When `true`:

Logic which will automatically drop a video call which takes place over WIFI when a voice call is answered (see `KEY_DROP_VIDEO_CALL_WHEN_ANSWERING_AUDIO_CALL_BOOL`.

Logic which determines whether the user can use TTY calling.

Constant Value: "treat_downgraded_video_calls_as_video_calls_bool"

### KEY_TTY_SUPPORTED_BOOL

    public static final String KEY_TTY_SUPPORTED_BOOL

Boolean flag indicating whether the carrier supports TTY.

Note that `KEY_CARRIER_VOLTE_TTY_SUPPORTED_BOOL` controls availability of TTY over VoLTE; if `KEY_TTY_SUPPORTED_BOOL` is disabled, then `KEY_CARRIER_VOLTE_TTY_SUPPORTED_BOOL` is also implicitly disabled.

`TelecomManager#isTtySupported()` should be used to determine if a device supports TTY, and this carrier config key should be used to see if the current carrier supports it.

Constant Value: "tty_supported_bool"

### KEY_UNLOGGABLE_NUMBERS_STRING_ARRAY

    public static final String KEY_UNLOGGABLE_NUMBERS_STRING_ARRAY

A string array containing numbers that shouldn't be included in the call log.

Constant Value: "unloggable_numbers_string_array"

### KEY_USE_HFA_FOR_PROVISIONING_BOOL

    public static final String KEY_USE_HFA_FOR_PROVISIONING_BOOL

CDMA activation goes through HFA

Constant Value: "use_hfa_for_provisioning_bool"

### KEY_USE_OTASP_FOR_PROVISIONING_BOOL

    public static final String KEY_USE_OTASP_FOR_PROVISIONING_BOOL

CDMA activation goes through OTASP.

TODO: This should be combined with config_use_hfa_for_provisioning and implemented as an enum (NONE, HFA, OTASP).

Constant Value: "use_otasp_for_provisioning_bool"

### KEY_USE_RCS_PRESENCE_BOOL

    public static final String KEY_USE_RCS_PRESENCE_BOOL

Flag indicating whether or not the carrier supports the periodic exchange of phone numbers in the user's address book with the carrier's presence server in order to retrieve the RCS capabilities for each contact used in the RCS User Capability Exchange (UCE) procedure. See RCC.71, section 3 for more information.

The flag `Ims#KEY_ENABLE_PRESENCE_PUBLISH_BOOL` must also be enabled if this flag is enabled, as sending a periodic SIP PUBLISH with this device's RCS capabilities is a requirement for capability exchange to begin.

When presence is supported, the device should use the `ContactsContract.DataColumns.CARRIER_PRESENCE` bit mask and set the `ContactsContract.DataColumns.CARRIER_PRESENCE_VT_CAPABLE` bit to indicate whether each contact supports video calling. The UI is made aware that presence is enabled via `PhoneAccount.CAPABILITY_VIDEO_CALLING_RELIES_ON_PRESENCE` and can choose to hide or show the video calling icon based on whether a contact supports video.

Constant Value: "use_rcs_presence_bool"

### KEY_USE_RCS_SIP_OPTIONS_BOOL

    public static final String KEY_USE_RCS_SIP_OPTIONS_BOOL

Flag indicating whether the carrier supports RCS SIP OPTIONS indication for User Capability Exchange (UCE).

Constant Value: "use_rcs_sip_options_bool"

### KEY_USE_WFC_HOME_NETWORK_MODE_IN_ROAMING_NETWORK_BOOL

    public static final String KEY_USE_WFC_HOME_NETWORK_MODE_IN_ROAMING_NETWORK_BOOL

Flag specifying whether the carrier will use the WFC home network mode in roaming network. `false` - roaming preference can be selected separately from the home preference. `true` - roaming preference is the same as home preference and `KEY_CARRIER_DEFAULT_WFC_IMS_MODE_INT` is used as the default value.

Constant Value: "use_wfc_home_network_mode_in_roaming_network_bool"

### KEY_VOICEMAIL_NOTIFICATION_PERSISTENT_BOOL

    public static final String KEY_VOICEMAIL_NOTIFICATION_PERSISTENT_BOOL

Determine whether the voicemail notification is persistent in the notification bar. If true, the voicemail notifications cannot be dismissed from the notification bar.

Constant Value: "voicemail_notification_persistent_bool"

### KEY_VOICE_PRIVACY_DISABLE_UI_BOOL

    public static final String KEY_VOICE_PRIVACY_DISABLE_UI_BOOL

If true, removes the Voice Privacy option from Call Settings

Constant Value: "voice_privacy_disable_ui_bool"

### KEY_VOLTE_REPLACEMENT_RAT_INT

    public static final String KEY_VOLTE_REPLACEMENT_RAT_INT

If Voice Radio Technology is RIL_RADIO_TECHNOLOGY_LTE:14 or RIL_RADIO_TECHNOLOGY_UNKNOWN:0 this is the value that should be used instead. A configuration value of RIL_RADIO_TECHNOLOGY_UNKNOWN:0 means there is no replacement value and that the default assumption for phone type (GSM) should be used.

Constant Value: "volte_replacement_rat_int"

### KEY_VVM_CELLULAR_DATA_REQUIRED_BOOL

    public static final String KEY_VVM_CELLULAR_DATA_REQUIRED_BOOL

Whether cellular data is required to access visual voicemail.

Constant Value: "vvm_cellular_data_required_bool"

### KEY_VVM_CLIENT_PREFIX_STRING

    public static final String KEY_VVM_CLIENT_PREFIX_STRING

The default OMTP visual voicemail client prefix to use. Defaulted to "//VVM"

Constant Value: "vvm_client_prefix_string"

### KEY_VVM_DESTINATION_NUMBER_STRING

    public static final String KEY_VVM_DESTINATION_NUMBER_STRING

The carrier number mobile outgoing (MO) sms messages are sent to.

Constant Value: "vvm_destination_number_string"

### KEY_VVM_DISABLED_CAPABILITIES_STRING_ARRAY

    public static final String KEY_VVM_DISABLED_CAPABILITIES_STRING_ARRAY

A set of capabilities that should not be used even if it is reported by the visual voicemail IMAP CAPABILITY command.

Constant Value: "vvm_disabled_capabilities_string_array"

### KEY_VVM_LEGACY_MODE_ENABLED_BOOL

    public static final String KEY_VVM_LEGACY_MODE_ENABLED_BOOL

Whether legacy mode should be used when the visual voicemail client is disabled.

Legacy mode is a mode that on the carrier side visual voicemail is still activated, but on the client side all network operations are disabled. SMSs are still monitored so a new message SYNC SMS will be translated to show a message waiting indicator, like traditional voicemails.

This is for carriers that does not support VVM deactivation so voicemail can continue to function without the data cost.

Constant Value: "vvm_legacy_mode_enabled_bool"

### KEY_VVM_PORT_NUMBER_INT

    public static final String KEY_VVM_PORT_NUMBER_INT

The port through which the mobile outgoing (MO) sms messages are sent through.

Constant Value: "vvm_port_number_int"

### KEY_VVM_PREFETCH_BOOL

    public static final String KEY_VVM_PREFETCH_BOOL

Whether to prefetch audio data on new voicemail arrival, defaulted to true.

Constant Value: "vvm_prefetch_bool"

### KEY_VVM_SSL_ENABLED_BOOL

    public static final String KEY_VVM_SSL_ENABLED_BOOL

Whether to use SSL to connect to the visual voicemail IMAP server. Defaulted to false.

Constant Value: "vvm_ssl_enabled_bool"

### KEY_VVM_TYPE_STRING

    public static final String KEY_VVM_TYPE_STRING

The type of visual voicemail protocol the carrier adheres to. See `TelephonyManager` for possible values. For example `TelephonyManager#VVM_TYPE_OMTP`.

Constant Value: "vvm_type_string"

### KEY_WFC_EMERGENCY_ADDRESS_CARRIER_APP_STRING

    public static final String KEY_WFC_EMERGENCY_ADDRESS_CARRIER_APP_STRING

The Component Name of the activity that can setup the emergency address for WiFi Calling as per carrier requirement.

Constant Value: "wfc_emergency_address_carrier_app_string"

### KEY_WORLD_MODE_ENABLED_BOOL

    public static final String KEY_WORLD_MODE_ENABLED_BOOL

Boolean to decide whether world mode is enabled.

Constant Value: "world_mode_enabled_bool"

### KEY_WORLD_PHONE_BOOL

    public static final String KEY_WORLD_PHONE_BOOL

Flag indicating if the phone is a world phone

Constant Value: "world_phone_bool"

## Public methods

### getConfig

    public PersistableBundle getConfig ()

Gets the configuration values for the default subscription. After using this method to get the configuration bundle, `isConfigForIdentifiedCarrier(android.os.PersistableBundle)` should be called to confirm whether any carrier specific configuration has been applied.

Requires Permission: `READ_PHONE_STATE`

Returns
`PersistableBundle` | This value may be `null`.

See also:

- `getConfigForSubId(int)`

### getConfigByComponentForSubId

    public PersistableBundle getConfigByComponentForSubId (String prefix,
                    int subId)

Gets the configuration values for a component using its prefix.

Requires Permission: `READ_PHONE_STATE`

Parameters
`prefix` | `String`: prefix of the component. This value cannot be `null`.
`subId` | `int`: the subscription ID, normally obtained from `SubscriptionManager`.

Returns
`PersistableBundle` | This value may be `null`.

See also:

- `getConfigForSubId(int)`

### getConfigForSubId

    public PersistableBundle getConfigForSubId (int subId)

Gets the configuration values for a particular subscription, which is associated with a specific SIM card. If an invalid subId is used, the returned config will contain default values. After using this method to get the configuration bundle, `isConfigForIdentifiedCarrier(android.os.PersistableBundle)` should be called to confirm whether any carrier specific configuration has been applied.

Requires Permission: `READ_PHONE_STATE`

Parameters
`subId` | `int`: the subscription ID, normally obtained from `SubscriptionManager`.

Returns
`PersistableBundle` | A `PersistableBundle` containing the config for the given subId, or default values for an invalid subId. This value may be `null`.

### isConfigForIdentifiedCarrier

    public static boolean isConfigForIdentifiedCarrier (PersistableBundle bundle)

Determines whether a configuration `PersistableBundle` obtained from `getConfig()` or `getConfigForSubId(int)` corresponds to an identified carrier.

When an app receives the `CarrierConfigManager#ACTION_CARRIER_CONFIG_CHANGED` broadcast which informs it that the carrier configuration has changed, it is possible that another reload of the carrier configuration has begun since the intent was sent. In this case, the carrier configuration the app fetches (e.g. via `getConfig()`) may not represent the configuration for the current carrier. It should be noted that it does not necessarily mean the configuration belongs to current carrier when this function return true because it may belong to another previous identified carrier. Users should always call `getConfig()` or `getConfigForSubId(int)` after receiving the broadcast `ACTION_CARRIER_CONFIG_CHANGED`.

After using `getConfig()` or `getConfigForSubId(int)` an app should always use this method to confirm whether any carrier specific configuration has been applied. Especially when an app misses the broadcast `ACTION_CARRIER_CONFIG_CHANGED` but it still needs to get the current configuration, it must use this method to verify whether the configuration is default or carrier overridden.

Parameters
`bundle` | `PersistableBundle`: the configuration bundle to be checked.

Returns
`boolean` | boolean true if any carrier specific configuration bundle has been applied, false otherwise or the bundle is null.

### notifyConfigChangedForSubId

    public void notifyConfigChangedForSubId (int subId)

Calling this method triggers telephony services to fetch the current carrier configuration.

Normally this does not need to be called because the platform reloads config on its own. This should be called by a carrier service app if it wants to update config at an arbitrary moment.

Requires that the calling app has carrier privileges.

This method returns before the reload has completed, and `CarrierService.onLoadConfig(CarrierIdentifier)` will be called from an arbitrary thread.

Parameters
`subId` | `int`

See also:

- `TelephonyManager.hasCarrierPrivileges()`

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